74569696289 has 16 divisors (see below), whose sum is σ = 83687126400. Its totient is φ = 65848124160.

The previous prime is 74569696277. The next prime is 74569696309. The reversal of 74569696289 is 98269696547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74569696289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74569696249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90857 + ... + 396729.

It is an arithmetic number, because the mean of its divisors is an integer number (5230445400).

Almost surely, 2^74569696289 is an apocalyptic number.

It is an amenable number.

74569696289 is a deficient number, since it is larger than the sum of its proper divisors (9117430111).

74569696289 is a wasteful number, since it uses less digits than its factorization.

74569696289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306520.

The product of its digits is 352719360, while the sum is 71.

The spelling of 74569696289 in words is "seventy-four billion, five hundred sixty-nine million, six hundred ninety-six thousand, two hundred eighty-nine".