4640992331 has 2 divisors, whose sum is σ = 4640992332. Its totient is φ = 4640992330.

The previous prime is 4640992327. The next prime is 4640992337. The reversal of 4640992331 is 1332990464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4640992331 - 2² = 4640992327 is a prime.

It is a super-2 number, since 2×4640992331² = 43077619632801627122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4640992337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320496165 + 2320496166.

It is an arithmetic number, because the mean of its divisors is an integer number (2320496166).

Almost surely, 2^4640992331 is an apocalyptic number.

4640992331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640992331 is an equidigital number, since it uses as much as digits as its factorization.

4640992331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 4640992331 is about 68124.8290346479. The cubic root of 4640992331 is about 1668.0290768308.

The spelling of 4640992331 in words is "four billion, six hundred forty million, nine hundred ninety-two thousand, three hundred thirty-one".