116429609 has 2 divisors, whose sum is σ = 116429610. Its totient is φ = 116429608.

The previous prime is 116429603. The next prime is 116429623. The reversal of 116429609 is 906924611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61669609 + 54760000 = 7853^2 + 7400^2 .

It is an emirp because it is prime and its reverse (906924611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116429609 - 2⁸ = 116429353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116429603) 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, 58214804 + 58214805.

It is an arithmetic number, because the mean of its divisors is an integer number (58214805).

Almost surely, 2^116429609 is an apocalyptic number.

It is an amenable number.

116429609 is a deficient number, since it is larger than the sum of its proper divisors (1).

116429609 is an equidigital number, since it uses as much as digits as its factorization.

116429609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 116429609 is about 10790.2552796493. The cubic root of 116429609 is about 488.3012240986.

The spelling of 116429609 in words is "one hundred sixteen million, four hundred twenty-nine thousand, six hundred nine".