13640333954 has 16 divisors (see below), whose sum is σ = 22992403392. Its totient is φ = 6021819408.

The previous prime is 13640333929. The next prime is 13640333989. The reversal of 13640333954 is 45933304631.

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, 11404364 + ... + 11405559.

It is an arithmetic number, because the mean of its divisors is an integer number (1437025212).

Almost surely, 2^13640333954 is an apocalyptic number.

13640333954 is a deficient number, since it is larger than the sum of its proper divisors (9352069438).

13640333954 is a wasteful number, since it uses less digits than its factorization.

13640333954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22809961.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 13640333954 in words is "thirteen billion, six hundred forty million, three hundred thirty-three thousand, nine hundred fifty-four".