72144285793 has 2 divisors, whose sum is σ = 72144285794. Its totient is φ = 72144285792.

The previous prime is 72144285779. The next prime is 72144285877. The reversal of 72144285793 is 39758244127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55957321809 + 16186963984 = 236553^2 + 127228^2 .

It is a cyclic number.

It is not a de Polignac number, because 72144285793 - 2⁵ = 72144285761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72144285793.

It is not a weakly prime, because it can be changed into another prime (72144285893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36072142896 + 36072142897.

It is an arithmetic number, because the mean of its divisors is an integer number (36072142897).

Almost surely, 2^72144285793 is an apocalyptic number.

It is an amenable number.

72144285793 is a deficient number, since it is larger than the sum of its proper divisors (1).

72144285793 is an equidigital number, since it uses as much as digits as its factorization.

72144285793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The spelling of 72144285793 in words is "seventy-two billion, one hundred forty-four million, two hundred eighty-five thousand, seven hundred ninety-three".