74535453547 has 2 divisors, whose sum is σ = 74535453548. Its totient is φ = 74535453546.

The previous prime is 74535453521. The next prime is 74535453569.

74535453547 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 74535453547 - 2²⁷ = 74401235819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74535453494 and 74535453503.

It is not a weakly prime, because it can be changed into another prime (74535453947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37267726773 + 37267726774.

It is an arithmetic number, because the mean of its divisors is an integer number (37267726774).

Almost surely, 2^74535453547 is an apocalyptic number.

74535453547 is a deficient number, since it is larger than the sum of its proper divisors (1).

74535453547 is an equidigital number, since it uses as much as digits as its factorization.

74535453547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640000, while the sum is 52.

The spelling of 74535453547 in words is "seventy-four billion, five hundred thirty-five million, four hundred fifty-three thousand, five hundred forty-seven".