3519139627969 has 27 divisors (see below), whose sum is σ = 4207904630307. Its totient is φ = 2934475722864.

The previous prime is 3519139627943. The next prime is 3519139627981. The reversal of 3519139627969 is 9697269319153.

The square root of 3519139627969 is 1875937.

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

It can be written as a sum of positive squares in only one way, i.e., 3148974466225 + 370165161744 = 1774535^2 + 608412^2 .

It is not a de Polignac number, because 3519139627969 - 2¹¹ = 3519139625921 is a prime.

It is a super-2 number, since 2×3519139627969² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3519139627898 and 3519139627907.

It is not an unprimeable number, because it can be changed into a prime (3519139624969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 485864062 + ... + 485871304.

It is an arithmetic number, because the mean of its divisors is an integer number (155848319641).

Almost surely, 2^{3519139627969} is an apocalyptic number.

3519139627969 is the 1875937-th square number.

3519139627969 is the 937969-th centered octagonal number.

It is an amenable number.

3519139627969 is a deficient number, since it is larger than the sum of its proper divisors (688765002338).

3519139627969 is an frugal number, since it uses more digits than its factorization.

3519139627969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574 (or 7287 counting only the distinct ones).

The product of its digits is 148803480, while the sum is 70.

The spelling of 3519139627969 in words is "three trillion, five hundred nineteen billion, one hundred thirty-nine million, six hundred twenty-seven thousand, nine hundred sixty-nine".