3172945856458 has 16 divisors (see below), whose sum is σ = 5441469724800. Its totient is φ = 1359300445776.

The previous prime is 3172945856447. The next prime is 3172945856467. The reversal of 3172945856458 is 8546585492713.

3172945856458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3172945856458² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3172945856393 and 3172945856402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44420766 + ... + 44492137.

It is an arithmetic number, because the mean of its divisors is an integer number (340091857800).

Almost surely, 2^{3172945856458} is an apocalyptic number.

3172945856458 is a deficient number, since it is larger than the sum of its proper divisors (2268523868342).

3172945856458 is a wasteful number, since it uses less digits than its factorization.

3172945856458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88915461.

The product of its digits is 290304000, while the sum is 67.

The spelling of 3172945856458 in words is "three trillion, one hundred seventy-two billion, nine hundred forty-five million, eight hundred fifty-six thousand, four hundred fifty-eight".