13344401889 has 96 divisors (see below), whose sum is σ = 25848515840. Its totient is φ = 6624405504.

The previous prime is 13344401839. The next prime is 13344401893. The reversal of 13344401889 is 98810444331.

It is not a de Polignac number, because 13344401889 - 2²⁵ = 13310847457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13344401839) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 700677 + ... + 719469.

Almost surely, 2^13344401889 is an apocalyptic number.

It is an amenable number.

13344401889 is a deficient number, since it is larger than the sum of its proper divisors (12504113951).

13344401889 is a wasteful number, since it uses less digits than its factorization.

13344401889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18856 (or 18833 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 13344401889 in words is "thirteen billion, three hundred forty-four million, four hundred one thousand, eight hundred eighty-nine".