13909328468 has 48 divisors (see below), whose sum is σ = 28213000704. Its totient is φ = 5877174240.

The previous prime is 13909328449. The next prime is 13909328479. The reversal of 13909328468 is 86482390931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621155 + ... + 643157.

It is an arithmetic number, because the mean of its divisors is an integer number (587770848).

Almost surely, 2^13909328468 is an apocalyptic number.

It is an amenable number.

13909328468 is an abundant number, since it is smaller than the sum of its proper divisors (14303672236).

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

13909328468 is a wasteful number, since it uses less digits than its factorization.

13909328468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22332 (or 22330 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 13909328468 in words is "thirteen billion, nine hundred nine million, three hundred twenty-eight thousand, four hundred sixty-eight".