116689049 has 2 divisors, whose sum is σ = 116689050. Its totient is φ = 116689048.

The previous prime is 116689043. The next prime is 116689081. The reversal of 116689049 is 940986611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60918025 + 55771024 = 7805^2 + 7468^2 .

It is a cyclic number.

It is not a de Polignac number, because 116689049 - 2⁴ = 116689033 is a prime.

It is not a weakly prime, because it can be changed into another prime (116689043) 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, 58344524 + 58344525.

It is an arithmetic number, because the mean of its divisors is an integer number (58344525).

Almost surely, 2^116689049 is an apocalyptic number.

It is an amenable number.

116689049 is a deficient number, since it is larger than the sum of its proper divisors (1).

116689049 is an equidigital number, since it uses as much as digits as its factorization.

116689049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 116689049 is about 10802.2705483616. The cubic root of 116689049 is about 488.6636487708.

The spelling of 116689049 in words is "one hundred sixteen million, six hundred eighty-nine thousand, forty-nine".