13629998418 has 16 divisors (see below), whose sum is σ = 27265229856. Its totient is φ = 4542460640.

The previous prime is 13629998399. The next prime is 13629998429. The reversal of 13629998418 is 81489992631.

It is a Curzon number.

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, 183768 + ... + 247043.

It is an arithmetic number, because the mean of its divisors is an integer number (1704076866).

Almost surely, 2^13629998418 is an apocalyptic number.

13629998418 is an abundant number, since it is smaller than the sum of its proper divisors (13635231438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13629998418 is a wasteful number, since it uses less digits than its factorization.

13629998418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436089.

The product of its digits is 6718464, while the sum is 60.

The spelling of 13629998418 in words is "thirteen billion, six hundred twenty-nine million, nine hundred ninety-eight thousand, four hundred eighteen".