5231621963 has 2 divisors, whose sum is σ = 5231621964. Its totient is φ = 5231621962.

The previous prime is 5231621957. The next prime is 5231621999. The reversal of 5231621963 is 3691261325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5231621963 - 2²⁸ = 4963186507 is a prime.

It is not a weakly prime, because it can be changed into another prime (5231626963) 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, 2615810981 + 2615810982.

It is an arithmetic number, because the mean of its divisors is an integer number (2615810982).

Almost surely, 2^5231621963 is an apocalyptic number.

5231621963 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231621963 is an equidigital number, since it uses as much as digits as its factorization.

5231621963 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5231621963 is about 72329.9520461613. The cubic root of 5231621963 is about 1735.9829340764.

The spelling of 5231621963 in words is "five billion, two hundred thirty-one million, six hundred twenty-one thousand, nine hundred sixty-three".