4645645931 has 2 divisors, whose sum is σ = 4645645932. Its totient is φ = 4645645930.

The previous prime is 4645645919. The next prime is 4645645951. The reversal of 4645645931 is 1395465464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4645645931 - 2⁶ = 4645645867 is a prime.

It is a super-2 number, since 2×4645645931² = 43164052232433713522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4645645951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322822965 + 2322822966.

It is an arithmetic number, because the mean of its divisors is an integer number (2322822966).

Almost surely, 2^4645645931 is an apocalyptic number.

4645645931 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645645931 is an equidigital number, since it uses as much as digits as its factorization.

4645645931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 47.

The square root of 4645645931 is about 68158.9754251045. The cubic root of 4645645931 is about 1668.5864107317.

The spelling of 4645645931 in words is "four billion, six hundred forty-five million, six hundred forty-five thousand, nine hundred thirty-one".