72050017059689 has 2 divisors, whose sum is σ = 72050017059690. Its totient is φ = 72050017059688.

The previous prime is 72050017059673. The next prime is 72050017059743. The reversal of 72050017059689 is 98695071005027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69572147544064 + 2477869515625 = 8340992^2 + 1574125^2 .

It is a cyclic number.

It is not a de Polignac number, because 72050017059689 - 2⁴ = 72050017059673 is a prime.

It is not a weakly prime, because it can be changed into another prime (72050017059089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36025008529844 + 36025008529845.

It is an arithmetic number, because the mean of its divisors is an integer number (36025008529845).

Almost surely, 2^{72050017059689} is an apocalyptic number.

It is an amenable number.

72050017059689 is a deficient number, since it is larger than the sum of its proper divisors (1).

72050017059689 is an equidigital number, since it uses as much as digits as its factorization.

72050017059689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 72050017059689 in words is "seventy-two trillion, fifty billion, seventeen million, fifty-nine thousand, six hundred eighty-nine".