4631374991 has 18 divisors (see below), whose sum is σ = 4957492488. Its totient is φ = 4325784640.

The previous prime is 4631374987. The next prime is 4631374997. The reversal of 4631374991 is 1994731364.

It is not a de Polignac number, because 4631374991 - 2² = 4631374987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631374997) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14891726 + ... + 14892036.

Almost surely, 2^4631374991 is an apocalyptic number.

4631374991 is a deficient number, since it is larger than the sum of its proper divisors (326117497).

4631374991 is an equidigital number, since it uses as much as digits as its factorization.

4631374991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 555 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 4631374991 is about 68054.2062697083. The cubic root of 4631374991 is about 1666.8760837167.

The spelling of 4631374991 in words is "four billion, six hundred thirty-one million, three hundred seventy-four thousand, nine hundred ninety-one".