74853367489 has 2 divisors, whose sum is σ = 74853367490. Its totient is φ = 74853367488.

The previous prime is 74853367481. The next prime is 74853367513. The reversal of 74853367489 is 98476335847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55262606400 + 19590761089 = 235080^2 + 139967^2 .

It is a cyclic number.

It is not a de Polignac number, because 74853367489 - 2³ = 74853367481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74853367489.

It is not a weakly prime, because it can be changed into another prime (74853367481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37426683744 + 37426683745.

It is an arithmetic number, because the mean of its divisors is an integer number (37426683745).

Almost surely, 2^74853367489 is an apocalyptic number.

It is an amenable number.

74853367489 is a deficient number, since it is larger than the sum of its proper divisors (1).

74853367489 is an equidigital number, since it uses as much as digits as its factorization.

74853367489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 64.

The spelling of 74853367489 in words is "seventy-four billion, eight hundred fifty-three million, three hundred sixty-seven thousand, four hundred eighty-nine".