13603630631 has 2 divisors, whose sum is σ = 13603630632. Its totient is φ = 13603630630.

The previous prime is 13603630609. The next prime is 13603630633.

13603630631 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 13603630631 - 2²² = 13599436327 is a prime.

It is a super-2 number, since 2×13603630631² (a number of 21 digits) contains 22 as substring.

Together with 13603630633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13603630633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6801815315 + 6801815316.

It is an arithmetic number, because the mean of its divisors is an integer number (6801815316).

Almost surely, 2^13603630631 is an apocalyptic number.

13603630631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13603630631 is an equidigital number, since it uses as much as digits as its factorization.

13603630631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 13603630631 in words is "thirteen billion, six hundred three million, six hundred thirty thousand, six hundred thirty-one".