3148668769 has 3 divisors (see below), whose sum is σ = 3148724883. Its totient is φ = 3148612656.

The previous prime is 3148668767. The next prime is 3148668779. The reversal of 3148668769 is 9678668413.

It is a happy number.

The square root of 3148668769 is 56113.

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., 112225 + 3148556544 = 335^2 + 56112^2 .

It is not a de Polignac number, because 3148668769 - 2¹ = 3148668767 is a prime.

It is a super-2 number, since 2×3148668769² = 19828230033751950722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3148668767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28057 + ... + 84169.

It is an arithmetic number, because the mean of its divisors is an integer number (1049574961).

Almost surely, 2^3148668769 is an apocalyptic number.

3148668769 is the 56113-rd square number.

3148668769 is the 28057-th centered octagonal number.

It is an amenable number.

3148668769 is a deficient number, since it is larger than the sum of its proper divisors (56114).

3148668769 is an frugal number, since it uses more digits than its factorization.

3148668769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112226 (or 56113 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The cubic root of 3148668769 is about 1465.6906773677.

The spelling of 3148668769 in words is "three billion, one hundred forty-eight million, six hundred sixty-eight thousand, seven hundred sixty-nine".