13904694290 has 8 divisors (see below), whose sum is σ = 25028449740. Its totient is φ = 5561877712.

The previous prime is 13904694283. The next prime is 13904694347. The reversal of 13904694290 is 9249640931.

It can be written as a sum of positive squares in 2 ways, for example, as 13897344769 + 7349521 = 117887^2 + 2711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695234705 + ... + 695234724.

Almost surely, 2^13904694290 is an apocalyptic number.

13904694290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13904694290 is a deficient number, since it is larger than the sum of its proper divisors (11123755450).

13904694290 is a wasteful number, since it uses less digits than its factorization.

13904694290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390469436.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 13904694290 in words is "thirteen billion, nine hundred four million, six hundred ninety-four thousand, two hundred ninety".