116431649 has 2 divisors, whose sum is σ = 116431650. Its totient is φ = 116431648.

The previous prime is 116431631. The next prime is 116431663. The reversal of 116431649 is 946134611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107019025 + 9412624 = 10345^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 116431649 - 2²⁴ = 99654433 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (116431849) 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, 58215824 + 58215825.

It is an arithmetic number, because the mean of its divisors is an integer number (58215825).

Almost surely, 2^116431649 is an apocalyptic number.

It is an amenable number.

116431649 is a deficient number, since it is larger than the sum of its proper divisors (1).

116431649 is an equidigital number, since it uses as much as digits as its factorization.

116431649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 116431649 is about 10790.3498089728. The cubic root of 116431649 is about 488.3040759754.

The spelling of 116431649 in words is "one hundred sixteen million, four hundred thirty-one thousand, six hundred forty-nine".