4620637620631 has 4 divisors (see below), whose sum is σ = 4638206585232. Its totient is φ = 4603068656032.

The previous prime is 4620637620629. The next prime is 4620637620637. The reversal of 4620637620631 is 1360267360264.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4620637620631 - 2¹ = 4620637620629 is a prime.

It is a super-4 number, since 4×4620637620631⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620637620637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8784481906 + ... + 8784482431.

It is an arithmetic number, because the mean of its divisors is an integer number (1159551646308).

Almost surely, 2^{4620637620631} is an apocalyptic number.

4620637620631 is a deficient number, since it is larger than the sum of its proper divisors (17568964601).

4620637620631 is a wasteful number, since it uses less digits than its factorization.

4620637620631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17568964600.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 4620637620631 in words is "four trillion, six hundred twenty billion, six hundred thirty-seven million, six hundred twenty thousand, six hundred thirty-one".