13991292442 has 16 divisors (see below), whose sum is σ = 21481004160. Its totient is φ = 6831048672.

The previous prime is 13991292401. The next prime is 13991292457. The reversal of 13991292442 is 24429219931.

It is a junction number, because it is equal to n+sod(n) for n = 13991292392 and 13991292401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316278 + ... + 357790.

It is an arithmetic number, because the mean of its divisors is an integer number (1342562760).

Almost surely, 2^13991292442 is an apocalyptic number.

13991292442 is a deficient number, since it is larger than the sum of its proper divisors (7489711718).

13991292442 is a wasteful number, since it uses less digits than its factorization.

13991292442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45477.

The product of its digits is 279936, while the sum is 46.

The spelling of 13991292442 in words is "thirteen billion, nine hundred ninety-one million, two hundred ninety-two thousand, four hundred forty-two".