13343737668 has 12 divisors (see below), whose sum is σ = 31135387920. Its totient is φ = 4447912552.

The previous prime is 13343737651. The next prime is 13343737751. The reversal of 13343737668 is 86673734331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13343737668.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555989058 + ... + 555989081.

It is an arithmetic number, because the mean of its divisors is an integer number (2594615660).

Almost surely, 2^13343737668 is an apocalyptic number.

It is an amenable number.

13343737668 is an abundant number, since it is smaller than the sum of its proper divisors (17791650252).

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

13343737668 is a wasteful number, since it uses less digits than its factorization.

13343737668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111978146 (or 1111978144 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 51.

The spelling of 13343737668 in words is "thirteen billion, three hundred forty-three million, seven hundred thirty-seven thousand, six hundred sixty-eight".