6523965631 has 2 divisors, whose sum is σ = 6523965632. Its totient is φ = 6523965630.

The previous prime is 6523965589. The next prime is 6523965673. The reversal of 6523965631 is 1365693256.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (6523965589) and next prime (6523965673).

It is a cyclic number.

It is not a de Polignac number, because 6523965631 - 2²³ = 6515577023 is a prime.

It is a super-2 number, since 2×6523965631² = 85124255108938456322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6523965691) 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, 3261982815 + 3261982816.

It is an arithmetic number, because the mean of its divisors is an integer number (3261982816).

Almost surely, 2^6523965631 is an apocalyptic number.

6523965631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523965631 is an equidigital number, since it uses as much as digits as its factorization.

6523965631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 46.

The square root of 6523965631 is about 80771.0692698815. The cubic root of 6523965631 is about 1868.5464059121.

The spelling of 6523965631 in words is "six billion, five hundred twenty-three million, nine hundred sixty-five thousand, six hundred thirty-one".