13967201902 has 4 divisors (see below), whose sum is σ = 20950802856. Its totient is φ = 6983600950.

The previous prime is 13967201893. The next prime is 13967201939. The reversal of 13967201902 is 20910276931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20910276931 = 53 ⋅394533527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491800474 + ... + 3491800477.

It is an arithmetic number, because the mean of its divisors is an integer number (5237700714).

Almost surely, 2^13967201902 is an apocalyptic number.

13967201902 is a deficient number, since it is larger than the sum of its proper divisors (6983600954).

13967201902 is an equidigital number, since it uses as much as digits as its factorization.

13967201902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983600953.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 13967201902 in words is "thirteen billion, nine hundred sixty-seven million, two hundred one thousand, nine hundred two".