74565042953 has 2 divisors, whose sum is σ = 74565042954. Its totient is φ = 74565042952.

The previous prime is 74565042943. The next prime is 74565042973. The reversal of 74565042953 is 35924056547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47633935504 + 26931107449 = 218252^2 + 164107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74565042953 is a prime.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37282521476 + 37282521477.

It is an arithmetic number, because the mean of its divisors is an integer number (37282521477).

Almost surely, 2^74565042953 is an apocalyptic number.

It is an amenable number.

74565042953 is a deficient number, since it is larger than the sum of its proper divisors (1).

74565042953 is an equidigital number, since it uses as much as digits as its factorization.

74565042953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 74565042953 in words is "seventy-four billion, five hundred sixty-five million, forty-two thousand, nine hundred fifty-three".