13551912490 has 16 divisors (see below), whose sum is σ = 24427009152. Its totient is φ = 5413305744.

The previous prime is 13551912481. The next prime is 13551912509. The reversal of 13551912490 is 9421915531.

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, 924774 + ... + 939313.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688072).

Almost surely, 2^13551912490 is an apocalyptic number.

13551912490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13551912490 is a deficient number, since it is larger than the sum of its proper divisors (10875096662).

13551912490 is a wasteful number, since it uses less digits than its factorization.

13551912490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864821.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 13551912490 in words is "thirteen billion, five hundred fifty-one million, nine hundred twelve thousand, four hundred ninety".