116619836609 has 2 divisors, whose sum is σ = 116619836610. Its totient is φ = 116619836608.

The previous prime is 116619836591. The next prime is 116619836611. The reversal of 116619836609 is 906638916611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86403663025 + 30216173584 = 293945^2 + 173828^2 .

It is a cyclic number.

It is not a de Polignac number, because 116619836609 - 2²⁴ = 116603059393 is a prime.

Together with 116619836611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116619836639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58309918304 + 58309918305.

It is an arithmetic number, because the mean of its divisors is an integer number (58309918305).

Almost surely, 2^116619836609 is an apocalyptic number.

It is an amenable number.

116619836609 is a deficient number, since it is larger than the sum of its proper divisors (1).

116619836609 is an equidigital number, since it uses as much as digits as its factorization.

116619836609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 116619836609 in words is "one hundred sixteen billion, six hundred nineteen million, eight hundred thirty-six thousand, six hundred nine".