116639441 has 2 divisors, whose sum is σ = 116639442. Its totient is φ = 116639440.

The previous prime is 116639389. The next prime is 116639489. The reversal of 116639441 is 144936611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 2235025 = 10696^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 116639441 - 2¹⁸ = 116377297 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 (116639641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58319720 + 58319721.

It is an arithmetic number, because the mean of its divisors is an integer number (58319721).

Almost surely, 2^116639441 is an apocalyptic number.

It is an amenable number.

116639441 is a deficient number, since it is larger than the sum of its proper divisors (1).

116639441 is an equidigital number, since it uses as much as digits as its factorization.

116639441 is an evil number, because the sum of its binary digits is even.

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

The square root of 116639441 is about 10799.9741203394. The cubic root of 116639441 is about 488.5943904511.

The spelling of 116639441 in words is "one hundred sixteen million, six hundred thirty-nine thousand, four hundred forty-one".