720720974159 has 2 divisors, whose sum is σ = 720720974160. Its totient is φ = 720720974158.

The previous prime is 720720974153. The next prime is 720720974179. The reversal of 720720974159 is 951479027027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720720974159 - 2²⁸ = 720452538703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 720720974159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720720974153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360360487079 + 360360487080.

It is an arithmetic number, because the mean of its divisors is an integer number (360360487080).

Almost surely, 2^720720974159 is an apocalyptic number.

720720974159 is a deficient number, since it is larger than the sum of its proper divisors (1).

720720974159 is an equidigital number, since it uses as much as digits as its factorization.

720720974159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 720720974159 in words is "seven hundred twenty billion, seven hundred twenty million, nine hundred seventy-four thousand, one hundred fifty-nine".