74535453569 has 2 divisors, whose sum is σ = 74535453570. Its totient is φ = 74535453568.

The previous prime is 74535453547. The next prime is 74535453659. The reversal of 74535453569 is 96535453547.

Together with next prime (74535453659) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71402252944 + 3133200625 = 267212^2 + 55975^2 .

It is a cyclic number.

It is not a de Polignac number, because 74535453569 - 2³² = 70240486273 is a prime.

It is a super-2 number, since 2×74535453569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74535453169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37267726784 + 37267726785.

It is an arithmetic number, because the mean of its divisors is an integer number (37267726785).

Almost surely, 2^74535453569 is an apocalyptic number.

It is an amenable number.

74535453569 is a deficient number, since it is larger than the sum of its proper divisors (1).

74535453569 is an equidigital number, since it uses as much as digits as its factorization.

74535453569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020000, while the sum is 56.

The spelling of 74535453569 in words is "seventy-four billion, five hundred thirty-five million, four hundred fifty-three thousand, five hundred sixty-nine".