13908683998 has 32 divisors (see below), whose sum is σ = 23161686912. Its totient is φ = 6211303200.

The previous prime is 13908683959. The next prime is 13908684073. The reversal of 13908683998 is 89938680931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309465 + ... + 351547.

It is an arithmetic number, because the mean of its divisors is an integer number (723802716).

Almost surely, 2^13908683998 is an apocalyptic number.

13908683998 is a deficient number, since it is larger than the sum of its proper divisors (9253002914).

13908683998 is a wasteful number, since it uses less digits than its factorization.

13908683998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42360.

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 13908683998 in words is "thirteen billion, nine hundred eight million, six hundred eighty-three thousand, nine hundred ninety-eight".