13346813718 has 80 divisors (see below), whose sum is σ = 35281787904. Its totient is φ = 3690353520.

The previous prime is 13346813693. The next prime is 13346813729. The reversal of 13346813718 is 81731864331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 154680 + ... + 224987.

Almost surely, 2^13346813718 is an apocalyptic number.

13346813718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13346813718 is an abundant number, since it is smaller than the sum of its proper divisors (21934974186).

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

13346813718 is a wasteful number, since it uses less digits than its factorization.

13346813718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379719 (or 379710 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 13346813718 in words is "thirteen billion, three hundred forty-six million, eight hundred thirteen thousand, seven hundred eighteen".