612936198079 has 2 divisors, whose sum is σ = 612936198080. Its totient is φ = 612936198078.

The previous prime is 612936198059. The next prime is 612936198089. The reversal of 612936198079 is 970891639216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612936198079 - 2³³ = 604346263487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612936198059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306468099039 + 306468099040.

It is an arithmetic number, because the mean of its divisors is an integer number (306468099040).

Almost surely, 2^612936198079 is an apocalyptic number.

612936198079 is a deficient number, since it is larger than the sum of its proper divisors (1).

612936198079 is an equidigital number, since it uses as much as digits as its factorization.

612936198079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 612936198079 in words is "six hundred twelve billion, nine hundred thirty-six million, one hundred ninety-eight thousand, seventy-nine".