13385218898 has 8 divisors (see below), whose sum is σ = 20406973260. Its totient is φ = 6582894480.

The previous prime is 13385218853. The next prime is 13385218919. The reversal of 13385218898 is 89881258331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12437379529 + 947839369 = 111523^2 + 30787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 54857333 + ... + 54857576.

Almost surely, 2^13385218898 is an apocalyptic number.

13385218898 is a deficient number, since it is larger than the sum of its proper divisors (7021754362).

13385218898 is a wasteful number, since it uses less digits than its factorization.

13385218898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109714972.

The product of its digits is 3317760, while the sum is 56.

The spelling of 13385218898 in words is "thirteen billion, three hundred eighty-five million, two hundred eighteen thousand, eight hundred ninety-eight".