4651390631 has 2 divisors, whose sum is σ = 4651390632. Its totient is φ = 4651390630.

The previous prime is 4651390607. The next prime is 4651390739. The reversal of 4651390631 is 1360931564.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4651390631 - 2¹⁸ = 4651128487 is a prime.

It is a super-2 number, since 2×4651390631² = 43270869604309156322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4651390231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325695315 + 2325695316.

It is an arithmetic number, because the mean of its divisors is an integer number (2325695316).

Almost surely, 2^4651390631 is an apocalyptic number.

4651390631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4651390631 is an equidigital number, since it uses as much as digits as its factorization.

4651390631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 4651390631 is about 68201.1043239037. The cubic root of 4651390631 is about 1669.2739060859.

The spelling of 4651390631 in words is "four billion, six hundred fifty-one million, three hundred ninety thousand, six hundred thirty-one".