74321104813 has 2 divisors, whose sum is σ = 74321104814. Its totient is φ = 74321104812.

The previous prime is 74321104799. The next prime is 74321104817. The reversal of 74321104813 is 31840112347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48725264644 + 25595840169 = 220738^2 + 159987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74321104813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74321104817) 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, 37160552406 + 37160552407.

It is an arithmetic number, because the mean of its divisors is an integer number (37160552407).

Almost surely, 2^74321104813 is an apocalyptic number.

It is an amenable number.

74321104813 is a deficient number, since it is larger than the sum of its proper divisors (1).

74321104813 is an equidigital number, since it uses as much as digits as its factorization.

74321104813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 74321104813 in words is "seventy-four billion, three hundred twenty-one million, one hundred four thousand, eight hundred thirteen".