3959151656356 has 12 divisors (see below), whose sum is σ = 7461478121692. Its totient is φ = 1827300764448.

The previous prime is 3959151656321. The next prime is 3959151656359. The reversal of 3959151656356 is 6536561519593.

It can be written as a sum of positive squares in 2 ways, for example, as 2133907424100 + 1825244232256 = 1460790^2 + 1351016^2 .

It is not an unprimeable number, because it can be changed into a prime (3959151656359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38068765875 + ... + 38068765978.

Almost surely, 2^{3959151656356} is an apocalyptic number.

It is an amenable number.

3959151656356 is a deficient number, since it is larger than the sum of its proper divisors (3502326465336).

3959151656356 is a wasteful number, since it uses less digits than its factorization.

3959151656356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76137531870 (or 76137531868 counting only the distinct ones).

The product of its digits is 98415000, while the sum is 64.

The spelling of 3959151656356 in words is "three trillion, nine hundred fifty-nine billion, one hundred fifty-one million, six hundred fifty-six thousand, three hundred fifty-six".