13908097388554 has 4 divisors (see below), whose sum is σ = 20862146082834. Its totient is φ = 6954048694276.

The previous prime is 13908097388531. The next prime is 13908097388561. The reversal of 13908097388554 is 45588379080931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13378601036329 + 529496352225 = 3657677^2 + 727665^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477024347137 + ... + 3477024347140.

Almost surely, 2^{13908097388554} is an apocalyptic number.

13908097388554 is a deficient number, since it is larger than the sum of its proper divisors (6954048694280).

13908097388554 is an equidigital number, since it uses as much as digits as its factorization.

13908097388554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954048694279.

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 13908097388554 in words is "thirteen trillion, nine hundred eight billion, ninety-seven million, three hundred eighty-eight thousand, five hundred fifty-four".