5021989956 has 135 divisors (see below), whose sum is σ = 13673291247. Its totient is φ = 1607240880.

The previous prime is 5021989927. The next prime is 5021989961. The reversal of 5021989956 is 6599891205.

The square root of 5021989956 is 70866.

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

5021989956 is a `hidden beast` number, since 502 + 1 + 9 + 89 + 9 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 39543165 + ... + 39543291.

Almost surely, 2^5021989956 is an apocalyptic number.

5021989956 is the 70866-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5021989956

5021989956 is an abundant number, since it is smaller than the sum of its proper divisors (8651301291).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5021989956 is a wasteful number, since it uses less digits than its factorization.

5021989956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The cubic root of 5021989956 is about 1712.4791003612.

The spelling of 5021989956 in words is "five billion, twenty-one million, nine hundred eighty-nine thousand, nine hundred fifty-six".