74699984622961 has 2 divisors, whose sum is σ = 74699984622962. Its totient is φ = 74699984622960.

The previous prime is 74699984622899. The next prime is 74699984623021. The reversal of 74699984622961 is 16922648999647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69211418035600 + 5488566587361 = 8319340^2 + 2342769^2 .

It is a cyclic number.

It is not a de Polignac number, because 74699984622961 - 2²³ = 74699976234353 is a prime.

It is not a weakly prime, because it can be changed into another prime (74699984623961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37349992311480 + 37349992311481.

It is an arithmetic number, because the mean of its divisors is an integer number (37349992311481).

Almost surely, 2^{74699984622961} is an apocalyptic number.

It is an amenable number.

74699984622961 is a deficient number, since it is larger than the sum of its proper divisors (1).

74699984622961 is an equidigital number, since it uses as much as digits as its factorization.

74699984622961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5079158784, while the sum is 82.

The spelling of 74699984622961 in words is "seventy-four trillion, six hundred ninety-nine billion, nine hundred eighty-four million, six hundred twenty-two thousand, nine hundred sixty-one".