4931999620 has 24 divisors (see below), whose sum is σ = 10397510424. Its totient is φ = 1965121536.

The previous prime is 4931999617. The next prime is 4931999623. The reversal of 4931999620 is 269991394.

It is an interprime number because it is at equal distance from previous prime (4931999617) and next prime (4931999623).

It can be written as a sum of positive squares in 4 ways, for example, as 377369476 + 4554630144 = 19426^2 + 67488^2 .

It is not an unprimeable number, because it can be changed into a prime (4931999623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474627 + ... + 484906.

It is an arithmetic number, because the mean of its divisors is an integer number (433229601).

Almost surely, 2^4931999620 is an apocalyptic number.

It is an amenable number.

4931999620 is an abundant number, since it is smaller than the sum of its proper divisors (5465510804).

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

4931999620 is a wasteful number, since it uses less digits than its factorization.

4931999620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959799 (or 959797 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 52.

The square root of 4931999620 is about 70228.1967588518. The cubic root of 4931999620 is about 1702.1886021479.

The spelling of 4931999620 in words is "four billion, nine hundred thirty-one million, nine hundred ninety-nine thousand, six hundred twenty".