13971921299 has 12 divisors (see below), whose sum is σ = 16371694584. Its totient is φ = 11888511264.

The previous prime is 13971921289. The next prime is 13971921331. The reversal of 13971921299 is 99212917931.

It is a de Polignac number, because none of the positive numbers 2^k-13971921299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13971921299.

It is not an unprimeable number, because it can be changed into a prime (13971921209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1033949 + ... + 1047374.

It is an arithmetic number, because the mean of its divisors is an integer number (1364307882).

Almost surely, 2^13971921299 is an apocalyptic number.

13971921299 is a deficient number, since it is larger than the sum of its proper divisors (2399773285).

13971921299 is a wasteful number, since it uses less digits than its factorization.

13971921299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081474 (or 2081467 counting only the distinct ones).

The product of its digits is 551124, while the sum is 53.

The spelling of 13971921299 in words is "thirteen billion, nine hundred seventy-one million, nine hundred twenty-one thousand, two hundred ninety-nine".