74565042941 has 2 divisors, whose sum is σ = 74565042942. Its totient is φ = 74565042940.

The previous prime is 74565042869. The next prime is 74565042943. The reversal of 74565042941 is 14924056547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57970192900 + 16594850041 = 240770^2 + 128821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74565042941 is a prime.

Together with 74565042943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74565042943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37282521470 + 37282521471.

It is an arithmetic number, because the mean of its divisors is an integer number (37282521471).

Almost surely, 2^74565042941 is an apocalyptic number.

It is an amenable number.

74565042941 is a deficient number, since it is larger than the sum of its proper divisors (1).

74565042941 is an equidigital number, since it uses as much as digits as its factorization.

74565042941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 74565042941 in words is "seventy-four billion, five hundred sixty-five million, forty-two thousand, nine hundred forty-one".