13704556631 has 2 divisors, whose sum is σ = 13704556632. Its totient is φ = 13704556630.

The previous prime is 13704556597. The next prime is 13704556699. The reversal of 13704556631 is 13665540731.

It is a weak prime.

It is an emirp because it is prime and its reverse (13665540731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13704556631 is a prime.

It is a super-2 number, since 2×13704556631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13704556031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852278315 + 6852278316.

It is an arithmetic number, because the mean of its divisors is an integer number (6852278316).

Almost surely, 2^13704556631 is an apocalyptic number.

13704556631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13704556631 is an equidigital number, since it uses as much as digits as its factorization.

13704556631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 13704556631 in words is "thirteen billion, seven hundred four million, five hundred fifty-six thousand, six hundred thirty-one".