10645244400631 has 2 divisors, whose sum is σ = 10645244400632. Its totient is φ = 10645244400630.

The previous prime is 10645244400607. The next prime is 10645244400727. The reversal of 10645244400631 is 13600444254601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10645244400631 - 2⁵ = 10645244400599 is a prime.

It is a super-2 number, since 2×10645244400631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10645244407631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322622200315 + 5322622200316.

It is an arithmetic number, because the mean of its divisors is an integer number (5322622200316).

Almost surely, 2^{10645244400631} is an apocalyptic number.

10645244400631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645244400631 is an equidigital number, since it uses as much as digits as its factorization.

10645244400631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 10645244400631 in words is "ten trillion, six hundred forty-five billion, two hundred forty-four million, four hundred thousand, six hundred thirty-one".