74884411809793 has 2 divisors, whose sum is σ = 74884411809794. Its totient is φ = 74884411809792.

The previous prime is 74884411809743. The next prime is 74884411809811. The reversal of 74884411809793 is 39790811448847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72286180528384 + 2598231281409 = 8502128^2 + 1611903^2 .

It is an emirp because it is prime and its reverse (39790811448847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74884411809793 - 2¹³ = 74884411801601 is a prime.

It is a super-2 number, since 2×74884411809793² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74884411809743) 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, 37442205904896 + 37442205904897.

It is an arithmetic number, because the mean of its divisors is an integer number (37442205904897).

Almost surely, 2^{74884411809793} is an apocalyptic number.

It is an amenable number.

74884411809793 is a deficient number, since it is larger than the sum of its proper divisors (1).

74884411809793 is an equidigital number, since it uses as much as digits as its factorization.

74884411809793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 390168576, while the sum is 73.

The spelling of 74884411809793 in words is "seventy-four trillion, eight hundred eighty-four billion, four hundred eleven million, eight hundred nine thousand, seven hundred ninety-three".