13953208388 has 24 divisors (see below), whose sum is σ = 29547971712. Its totient is φ = 5628184704.

The previous prime is 13953208387. The next prime is 13953208397. The reversal of 13953208388 is 88380235931.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13953208387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14656256 + ... + 14657207.

It is an arithmetic number, because the mean of its divisors is an integer number (1231165488).

Almost surely, 2^13953208388 is an apocalyptic number.

It is an amenable number.

13953208388 is an abundant number, since it is smaller than the sum of its proper divisors (15594763324).

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

13953208388 is a wasteful number, since it uses less digits than its factorization.

13953208388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29313491 (or 29313489 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 13953208388 in words is "thirteen billion, nine hundred fifty-three million, two hundred eight thousand, three hundred eighty-eight".