74391182213 has 2 divisors, whose sum is σ = 74391182214. Its totient is φ = 74391182212.

The previous prime is 74391182207. The next prime is 74391182279. The reversal of 74391182213 is 31228119347.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62071736164 + 12319446049 = 249142^2 + 110993^2 .

It is a cyclic number.

It is not a de Polignac number, because 74391182213 - 2²⁰ = 74390133637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74391182293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37195591106 + 37195591107.

It is an arithmetic number, because the mean of its divisors is an integer number (37195591107).

Almost surely, 2^74391182213 is an apocalyptic number.

It is an amenable number.

74391182213 is a deficient number, since it is larger than the sum of its proper divisors (1).

74391182213 is an equidigital number, since it uses as much as digits as its factorization.

74391182213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The spelling of 74391182213 in words is "seventy-four billion, three hundred ninety-one million, one hundred eighty-two thousand, two hundred thirteen".