15843630666079 has 2 divisors, whose sum is σ = 15843630666080. Its totient is φ = 15843630666078.

The previous prime is 15843630666049. The next prime is 15843630666089. The reversal of 15843630666079 is 97066603634851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15843630666079 - 2⁹ = 15843630665567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15843630666079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15843630666049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7921815333039 + 7921815333040.

It is an arithmetic number, because the mean of its divisors is an integer number (7921815333040).

Almost surely, 2^{15843630666079} is an apocalyptic number.

15843630666079 is a deficient number, since it is larger than the sum of its proper divisors (1).

15843630666079 is an equidigital number, since it uses as much as digits as its factorization.

15843630666079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 15843630666079 in words is "fifteen trillion, eight hundred forty-three billion, six hundred thirty million, six hundred sixty-six thousand, seventy-nine".