113664449 has 2 divisors, whose sum is σ = 113664450. Its totient is φ = 113664448.

The previous prime is 113664401. The next prime is 113664451. The reversal of 113664449 is 944466311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 135424 = 10655^2 + 368^2 .

It is an emirp because it is prime and its reverse (944466311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113664449 - 2²⁰ = 112615873 is a prime.

Together with 113664451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113634449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56832224 + 56832225.

It is an arithmetic number, because the mean of its divisors is an integer number (56832225).

Almost surely, 2^113664449 is an apocalyptic number.

It is an amenable number.

113664449 is a deficient number, since it is larger than the sum of its proper divisors (1).

113664449 is an equidigital number, since it uses as much as digits as its factorization.

113664449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 113664449 is about 10661.3530567185. The cubic root of 113664449 is about 484.4045535572.

The spelling of 113664449 in words is "one hundred thirteen million, six hundred sixty-four thousand, four hundred forty-nine".