74404086433 has 2 divisors, whose sum is σ = 74404086434. Its totient is φ = 74404086432.

The previous prime is 74404086403. The next prime is 74404086457. The reversal of 74404086433 is 33468040447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47154991104 + 27249095329 = 217152^2 + 165073^2 .

It is a cyclic number.

It is not a de Polignac number, because 74404086433 - 2²¹ = 74401989281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74404086433.

It is not a weakly prime, because it can be changed into another prime (74404086403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37202043216 + 37202043217.

It is an arithmetic number, because the mean of its divisors is an integer number (37202043217).

Almost surely, 2^74404086433 is an apocalyptic number.

It is an amenable number.

74404086433 is a deficient number, since it is larger than the sum of its proper divisors (1).

74404086433 is an equidigital number, since it uses as much as digits as its factorization.

74404086433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 74404086433 in words is "seventy-four billion, four hundred four million, eighty-six thousand, four hundred thirty-three".