13475423755631 has 2 divisors, whose sum is σ = 13475423755632. Its totient is φ = 13475423755630.

The previous prime is 13475423755589. The next prime is 13475423755669. The reversal of 13475423755631 is 13655732457431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13475423755631 is a prime.

It is a super-2 number, since 2×13475423755631² (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 (13475423755681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737711877815 + 6737711877816.

It is an arithmetic number, because the mean of its divisors is an integer number (6737711877816).

Almost surely, 2^{13475423755631} is an apocalyptic number.

13475423755631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13475423755631 is an equidigital number, since it uses as much as digits as its factorization.

13475423755631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 56.

The spelling of 13475423755631 in words is "thirteen trillion, four hundred seventy-five billion, four hundred twenty-three million, seven hundred fifty-five thousand, six hundred thirty-one".