13261898689 has 16 divisors (see below), whose sum is σ = 14419359360. Its totient is φ = 12124586880.

The previous prime is 13261898653. The next prime is 13261898701. The reversal of 13261898689 is 98689816231.

It is a cyclic number.

It is not a de Polignac number, because 13261898689 - 2²⁷ = 13127680961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13261898189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599182 + ... + 620920.

It is an arithmetic number, because the mean of its divisors is an integer number (901209960).

Almost surely, 2^13261898689 is an apocalyptic number.

It is an amenable number.

13261898689 is a deficient number, since it is larger than the sum of its proper divisors (1157460671).

13261898689 is a wasteful number, since it uses less digits than its factorization.

13261898689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22200.

The product of its digits is 8957952, while the sum is 61.

The spelling of 13261898689 in words is "thirteen billion, two hundred sixty-one million, eight hundred ninety-eight thousand, six hundred eighty-nine".