4640612931 has 8 divisors (see below), whose sum is σ = 6874982160. Its totient is φ = 3093741936.

The previous prime is 4640612929. The next prime is 4640612939. The reversal of 4640612931 is 1392160464.

4640612931 is a `hidden beast` number, since 4 + 6 + 4 + 0 + 612 + 9 + 31 = 666.

It is not a de Polignac number, because 4640612931 - 2¹ = 4640612929 is a prime.

It is a super-2 number, since 2×4640612931² = 43070576750728821522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4640612939) 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, 85937250 + ... + 85937303.

It is an arithmetic number, because the mean of its divisors is an integer number (859372770).

Almost surely, 2^4640612931 is an apocalyptic number.

4640612931 is a deficient number, since it is larger than the sum of its proper divisors (2234369229).

4640612931 is a wasteful number, since it uses less digits than its factorization.

4640612931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171874562 (or 171874556 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4640612931 is about 68122.0443835914. The cubic root of 4640612931 is about 1667.9836219343.

The spelling of 4640612931 in words is "four billion, six hundred forty million, six hundred twelve thousand, nine hundred thirty-one".