902291924552 has 36 divisors (see below), whose sum is σ = 1702835303715. Its totient is φ = 448221493680.

The previous prime is 902291924549. The next prime is 902291924561. The reversal of 902291924552 is 255429192209.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 451145962276 + 451145962276 = 671674^2 + 671674^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=671674.

It is a super-2 number, since 2×902291924552² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 902291924552.

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, 448677227 + ... + 448679237.

Almost surely, 2^902291924552 is an apocalyptic number.

It is an amenable number.

902291924552 is a deficient number, since it is larger than the sum of its proper divisors (800543379163).

902291924552 is an frugal number, since it uses more digits than its factorization.

902291924552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

Multiplying 902291924552 by its sum of digits (50), we get a square (45114596227600 = 6716740²).

The spelling of 902291924552 in words is "nine hundred two billion, two hundred ninety-one million, nine hundred twenty-four thousand, five hundred fifty-two".