13989699698931 has 72 divisors (see below), whose sum is σ = 23641332309504. Its totient is φ = 7890780680640.

The previous prime is 13989699698927. The next prime is 13989699698987.

13989699698931 is nontrivially palindromic in base 10.

13989699698931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13989699698931 - 2² = 13989699698927 is a prime.

It is a super-2 number, since 2×13989699698931² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13989699694931) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 873270 + ... + 5361156.

It is an arithmetic number, because the mean of its divisors is an integer number (328351837632).

Almost surely, 2^{13989699698931} is an apocalyptic number.

13989699698931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13989699698931 is a deficient number, since it is larger than the sum of its proper divisors (9651632610573).

13989699698931 is a wasteful number, since it uses less digits than its factorization.

13989699698931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488001 (or 4487961 counting only the distinct ones).

The product of its digits is 11019960576, while the sum is 90.

The spelling of 13989699698931 in words is "thirteen trillion, nine hundred eighty-nine billion, six hundred ninety-nine million, six hundred ninety-eight thousand, nine hundred thirty-one".