113683649 has 2 divisors, whose sum is σ = 113683650. Its totient is φ = 113683648.

The previous prime is 113683637. The next prime is 113683667. The reversal of 113683649 is 946386311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91546624 + 22137025 = 9568^2 + 4705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113683649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113683679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56841824 + 56841825.

It is an arithmetic number, because the mean of its divisors is an integer number (56841825).

Almost surely, 2^113683649 is an apocalyptic number.

It is an amenable number.

113683649 is a deficient number, since it is larger than the sum of its proper divisors (1).

113683649 is an equidigital number, since it uses as much as digits as its factorization.

113683649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 113683649 is about 10662.2534672554. The cubic root of 113683649 is about 484.4318269450.

The spelling of 113683649 in words is "one hundred thirteen million, six hundred eighty-three thousand, six hundred forty-nine".