13113389897 has 4 divisors (see below), whose sum is σ = 13172194560. Its totient is φ = 13054585236.

The previous prime is 13113389893. The next prime is 13113389899. The reversal of 13113389897 is 79898331131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13113389897 - 2² = 13113389893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113389893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29401997 + ... + 29402442.

It is an arithmetic number, because the mean of its divisors is an integer number (3293048640).

Almost surely, 2^13113389897 is an apocalyptic number.

It is an amenable number.

13113389897 is a deficient number, since it is larger than the sum of its proper divisors (58804663).

13113389897 is an equidigital number, since it uses as much as digits as its factorization.

13113389897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58804662.

The product of its digits is 979776, while the sum is 53.

The spelling of 13113389897 in words is "thirteen billion, one hundred thirteen million, three hundred eighty-nine thousand, eight hundred ninety-seven".