4638896972 has 12 divisors (see below), whose sum is σ = 8171832816. Its totient is φ = 2304087600.

The previous prime is 4638896923. The next prime is 4638897041. The reversal of 4638896972 is 2796988364.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839543 + ... + 3840750.

It is an arithmetic number, because the mean of its divisors is an integer number (680986068).

Almost surely, 2^4638896972 is an apocalyptic number.

It is an amenable number.

4638896972 is a deficient number, since it is larger than the sum of its proper divisors (3532935844).

4638896972 is a wasteful number, since it uses less digits than its factorization.

4638896972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680448 (or 7680446 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 62.

The square root of 4638896972 is about 68109.4484781664. The cubic root of 4638896972 is about 1667.7780065406.

The spelling of 4638896972 in words is "four billion, six hundred thirty-eight million, eight hundred ninety-six thousand, nine hundred seventy-two".