74454845441 has 2 divisors, whose sum is σ = 74454845442. Its totient is φ = 74454845440.

The previous prime is 74454845411. The next prime is 74454845467. The reversal of 74454845441 is 14454845447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38997955441 + 35456890000 = 197479^2 + 188300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74454845441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74454845441.

It is not a weakly prime, because it can be changed into another prime (74454845411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37227422720 + 37227422721.

It is an arithmetic number, because the mean of its divisors is an integer number (37227422721).

Almost surely, 2^74454845441 is an apocalyptic number.

It is an amenable number.

74454845441 is a deficient number, since it is larger than the sum of its proper divisors (1).

74454845441 is an equidigital number, since it uses as much as digits as its factorization.

74454845441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5734400, while the sum is 50.

The spelling of 74454845441 in words is "seventy-four billion, four hundred fifty-four million, eight hundred forty-five thousand, four hundred forty-one".