13698631507 has 16 divisors (see below), whose sum is σ = 15136509024. Its totient is φ = 12293856000.

The previous prime is 13698631409. The next prime is 13698631511. The reversal of 13698631507 is 70513689631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13698631507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13698631517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247657 + ... + 297877.

It is an arithmetic number, because the mean of its divisors is an integer number (946031814).

Almost surely, 2^13698631507 is an apocalyptic number.

13698631507 is a deficient number, since it is larger than the sum of its proper divisors (1437877517).

13698631507 is a wasteful number, since it uses less digits than its factorization.

13698631507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 13698631507 in words is "thirteen billion, six hundred ninety-eight million, six hundred thirty-one thousand, five hundred seven".