3159690725 has 6 divisors (see below), whose sum is σ = 3918016530. Its totient is φ = 2527752560.

The previous prime is 3159690719. The next prime is 3159690733. The reversal of 3159690725 is 5270969513.

It can be written as a sum of positive squares in 3 ways, for example, as 681940996 + 2477749729 = 26114^2 + 49777^2 .

It is not a de Polignac number, because 3159690725 - 2²⁴ = 3142913509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3159690725.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 63193790 + ... + 63193839.

It is an arithmetic number, because the mean of its divisors is an integer number (653002755).

Almost surely, 2^3159690725 is an apocalyptic number.

It is an amenable number.

3159690725 is a deficient number, since it is larger than the sum of its proper divisors (758325805).

3159690725 is a wasteful number, since it uses less digits than its factorization.

3159690725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126387639 (or 126387634 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 3159690725 is about 56211.1263452352. The cubic root of 3159690725 is about 1467.3989087832.

The spelling of 3159690725 in words is "three billion, one hundred fifty-nine million, six hundred ninety thousand, seven hundred twenty-five".