13557889034668 has 18 divisors (see below), whose sum is σ = 26079327875468. Its totient is φ = 6162676833720.

The previous prime is 13557889034629. The next prime is 13557889034671. The reversal of 13557889034668 is 86643098875531.

It is a self number, because there is not a number n which added to its sum of digits gives 13557889034668.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14006083230 + ... + 14006084197.

Almost surely, 2^{13557889034668} is an apocalyptic number.

It is an amenable number.

13557889034668 is a deficient number, since it is larger than the sum of its proper divisors (12521438840800).

13557889034668 is a wasteful number, since it uses less digits than its factorization.

13557889034668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28012167453 (or 28012167440 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 73.

The spelling of 13557889034668 in words is "thirteen trillion, five hundred fifty-seven billion, eight hundred eighty-nine million, thirty-four thousand, six hundred sixty-eight".