9972654620 has 12 divisors (see below), whose sum is σ = 20942574744. Its totient is φ = 3989061840.

The previous prime is 9972654539. The next prime is 9972654641. The reversal of 9972654620 is 264562799.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249316346 + ... + 249316385.

It is an arithmetic number, because the mean of its divisors is an integer number (1745214562).

Almost surely, 2^9972654620 is an apocalyptic number.

It is an amenable number.

9972654620 is an abundant number, since it is smaller than the sum of its proper divisors (10969920124).

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

9972654620 is a wasteful number, since it uses less digits than its factorization.

9972654620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498632740 (or 498632738 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 9972654620 is about 99863.1795007549. The cubic root of 9972654620 is about 2152.4691027745.

The spelling of 9972654620 in words is "nine billion, nine hundred seventy-two million, six hundred fifty-four thousand, six hundred twenty".