13318905607 has 4 divisors (see below), whose sum is σ = 15221606416. Its totient is φ = 11416204800.

The previous prime is 13318905599. The next prime is 13318905631. The reversal of 13318905607 is 70650981331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13318905607 - 2³ = 13318905599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13318905107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951350394 + ... + 951350407.

It is an arithmetic number, because the mean of its divisors is an integer number (3805401604).

Almost surely, 2^13318905607 is an apocalyptic number.

13318905607 is a deficient number, since it is larger than the sum of its proper divisors (1902700809).

13318905607 is an equidigital number, since it uses as much as digits as its factorization.

13318905607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902700808.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 13318905607 in words is "thirteen billion, three hundred eighteen million, nine hundred five thousand, six hundred seven".