113693379889 has 2 divisors, whose sum is σ = 113693379890. Its totient is φ = 113693379888.

The previous prime is 113693379869. The next prime is 113693379907. The reversal of 113693379889 is 988973396311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64933232400 + 48760147489 = 254820^2 + 220817^2 .

It is a cyclic number.

It is not a de Polignac number, because 113693379889 - 2¹¹ = 113693377841 is a prime.

It is not a weakly prime, because it can be changed into another prime (113693379869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56846689944 + 56846689945.

It is an arithmetic number, because the mean of its divisors is an integer number (56846689945).

Almost surely, 2^113693379889 is an apocalyptic number.

It is an amenable number.

113693379889 is a deficient number, since it is larger than the sum of its proper divisors (1).

113693379889 is an equidigital number, since it uses as much as digits as its factorization.

113693379889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52907904, while the sum is 67.

The spelling of 113693379889 in words is "one hundred thirteen billion, six hundred ninety-three million, three hundred seventy-nine thousand, eight hundred eighty-nine".