74164809599 has 2 divisors, whose sum is σ = 74164809600. Its totient is φ = 74164809598.

The previous prime is 74164809557. The next prime is 74164809601. The reversal of 74164809599 is 99590846147.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74164809599 is a prime.

Together with 74164809601, 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 (74164800599) 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, 37082404799 + 37082404800.

It is an arithmetic number, because the mean of its divisors is an integer number (37082404800).

Almost surely, 2^74164809599 is an apocalyptic number.

74164809599 is a deficient number, since it is larger than the sum of its proper divisors (1).

74164809599 is an equidigital number, since it uses as much as digits as its factorization.

74164809599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 74164809599 in words is "seventy-four billion, one hundred sixty-four million, eight hundred nine thousand, five hundred ninety-nine".