4638370803564 has 12 divisors (see below), whose sum is σ = 10822865208344. Its totient is φ = 1546123601184.

The previous prime is 4638370803541. The next prime is 4638370803571. The reversal of 4638370803564 is 4653080738364.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4638370803564² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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, 193265450137 + ... + 193265450160.

Almost surely, 2^{4638370803564} is an apocalyptic number.

It is an amenable number.

4638370803564 is an abundant number, since it is smaller than the sum of its proper divisors (6184494404780).

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

4638370803564 is a wasteful number, since it uses less digits than its factorization.

4638370803564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386530900304 (or 386530900302 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 4638370803564 in words is "four trillion, six hundred thirty-eight billion, three hundred seventy million, eight hundred three thousand, five hundred sixty-four".