74063438488693 has 2 divisors, whose sum is σ = 74063438488694. Its totient is φ = 74063438488692.

The previous prime is 74063438488681. The next prime is 74063438488751. The reversal of 74063438488693 is 39688483436047.

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., 59038062406129 + 15025376082564 = 7683623^2 + 3876258^2 .

It is a cyclic number.

It is not a de Polignac number, because 74063438488693 - 2⁹ = 74063438488181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74063438480693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37031719244346 + 37031719244347.

It is an arithmetic number, because the mean of its divisors is an integer number (37031719244347).

Almost surely, 2^{74063438488693} is an apocalyptic number.

It is an amenable number.

74063438488693 is a deficient number, since it is larger than the sum of its proper divisors (1).

74063438488693 is an equidigital number, since it uses as much as digits as its factorization.

74063438488693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2006581248, while the sum is 73.

The spelling of 74063438488693 in words is "seventy-four trillion, sixty-three billion, four hundred thirty-eight million, four hundred eighty-eight thousand, six hundred ninety-three".