113399999989 has 2 divisors, whose sum is σ = 113399999990. Its totient is φ = 113399999988.

The previous prime is 113399999953. The next prime is 113400000001. The reversal of 113399999989 is 989999993311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80943095025 + 32456904964 = 284505^2 + 180158^2 .

It is a cyclic number.

It is not a de Polignac number, because 113399999989 - 2⁷ = 113399999861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113399999929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56699999994 + 56699999995.

It is an arithmetic number, because the mean of its divisors is an integer number (56699999995).

Almost surely, 2^113399999989 is an apocalyptic number.

It is an amenable number.

113399999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

113399999989 is an equidigital number, since it uses as much as digits as its factorization.

113399999989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344373768, while the sum is 79.

The spelling of 113399999989 in words is "one hundred thirteen billion, three hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".