72989259793 has 2 divisors, whose sum is σ = 72989259794. Its totient is φ = 72989259792.

The previous prime is 72989259769. The next prime is 72989259869. The reversal of 72989259793 is 39795298927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52142809104 + 20846450689 = 228348^2 + 144383^2 .

It is a cyclic number.

It is not a de Polignac number, because 72989259793 - 2¹⁷ = 72989128721 is a prime.

It is not a weakly prime, because it can be changed into another prime (72989259713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36494629896 + 36494629897.

It is an arithmetic number, because the mean of its divisors is an integer number (36494629897).

Almost surely, 2^72989259793 is an apocalyptic number.

It is an amenable number.

72989259793 is a deficient number, since it is larger than the sum of its proper divisors (1).

72989259793 is an equidigital number, since it uses as much as digits as its factorization.

72989259793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154314720, while the sum is 70.

The spelling of 72989259793 in words is "seventy-two billion, nine hundred eighty-nine million, two hundred fifty-nine thousand, seven hundred ninety-three".