5902173854721 has 81 divisors (see below), whose sum is σ = 8919527238531. Its totient is φ = 3760771572000.

The previous prime is 5902173854713. The next prime is 5902173854771. The reversal of 5902173854721 is 1274583712095.

The square root of 5902173854721 is 2429439.

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

5902173854721 is a `hidden beast` number, since 5 + 9 + 0 + 2 + 1 + 73 + 8 + 547 + 21 = 666.

5902173854721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5368929239025 + 533244615696 = 2317095^2 + 730236^2 .

It is not a de Polignac number, because 5902173854721 - 2³ = 5902173854713 is a prime.

It is a super-2 number, since 2×5902173854721² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5902173854771) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 34116611791 + ... + 34116611963.

Almost surely, 2^{5902173854721} is an apocalyptic number.

5902173854721 is the 2429439-th square number.

5902173854721 is the 1214720-th centered octagonal number.

It is an amenable number.

5902173854721 is a deficient number, since it is larger than the sum of its proper divisors (3017353383810).

5902173854721 is an equidigital number, since it uses as much as digits as its factorization.

5902173854721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 5902173854721 in words is "five trillion, nine hundred two billion, one hundred seventy-three million, eight hundred fifty-four thousand, seven hundred twenty-one".