32513859856 has 45 divisors (see below), whose sum is σ = 64132030053. Its totient is φ = 15968784960.

The previous prime is 32513859827. The next prime is 32513859871. The reversal of 32513859856 is 65895831523.

The square root of 32513859856 is 180316.

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., 1057290256 + 31456569600 = 32516^2 + 177360^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32513859797 and 32513859806.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43996735 + ... + 43997473.

Almost surely, 2^32513859856 is an apocalyptic number.

32513859856 is the 180316-th square number.

It is an amenable number.

32513859856 is a deficient number, since it is larger than the sum of its proper divisors (31618170197).

32513859856 is an frugal number, since it uses more digits than its factorization.

32513859856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 802 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 55.

The spelling of 32513859856 in words is "thirty-two billion, five hundred thirteen million, eight hundred fifty-nine thousand, eight hundred fifty-six".