74045846489 has 2 divisors, whose sum is σ = 74045846490. Its totient is φ = 74045846488.

The previous prime is 74045846461. The next prime is 74045846509. The reversal of 74045846489 is 98464854047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38214385225 + 35831461264 = 195485^2 + 189292^2 .

It is a cyclic number.

It is not a de Polignac number, because 74045846489 - 2³⁶ = 5326369753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74045846419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37022923244 + 37022923245.

It is an arithmetic number, because the mean of its divisors is an integer number (37022923245).

Almost surely, 2^74045846489 is an apocalyptic number.

It is an amenable number.

74045846489 is a deficient number, since it is larger than the sum of its proper divisors (1).

74045846489 is an equidigital number, since it uses as much as digits as its factorization.

74045846489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 74045846489 in words is "seventy-four billion, forty-five million, eight hundred forty-six thousand, four hundred eighty-nine".