1348647883969 has 3 divisors (see below), whose sum is σ = 1348649045283. Its totient is φ = 1348646722656.

The previous prime is 1348647883943. The next prime is 1348647883991. The reversal of 1348647883969 is 9693887468431.

The square root of 1348647883969 is 1161313.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 169929450625 + 1178718433344 = 412225^2 + 1085688^2 .

It is not a de Polignac number, because 1348647883969 - 2¹¹ = 1348647881921 is a prime.

It is a super-2 number, since 2×1348647883969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1348647883895 and 1348647883904.

It is not an unprimeable number, because it can be changed into a prime (1348647883369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 580657 + ... + 1741969.

It is an arithmetic number, because the mean of its divisors is an integer number (449549681761).

Almost surely, 2^{1348647883969} is an apocalyptic number.

1348647883969 is the 1161313-rd square number.

1348647883969 is the 580657-th centered octagonal number.

It is an amenable number.

1348647883969 is a deficient number, since it is larger than the sum of its proper divisors (1161314).

1348647883969 is an frugal number, since it uses more digits than its factorization.

1348647883969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322626 (or 1161313 counting only the distinct ones).

The product of its digits is 1504935936, while the sum is 76.

The spelling of 1348647883969 in words is "one trillion, three hundred forty-eight billion, six hundred forty-seven million, eight hundred eighty-three thousand, nine hundred sixty-nine".