4638863032 has 32 divisors (see below), whose sum is σ = 9212911920. Its totient is φ = 2182187520.

The previous prime is 4638863027. The next prime is 4638863039. The reversal of 4638863032 is 2303688364.

It is a self number, because there is not a number n which added to its sum of digits gives 4638863032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638863039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 530278 + ... + 538954.

Almost surely, 2^4638863032 is an apocalyptic number.

It is an amenable number.

4638863032 is a deficient number, since it is larger than the sum of its proper divisors (4574048888).

4638863032 is a wasteful number, since it uses less digits than its factorization.

4638863032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631 (or 12627 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 4638863032 is about 68109.1993199157. The cubic root of 4638863032 is about 1667.7739391568.

The spelling of 4638863032 in words is "four billion, six hundred thirty-eight million, eight hundred sixty-three thousand, thirty-two".