74626542015793 has 2 divisors, whose sum is σ = 74626542015794. Its totient is φ = 74626542015792.

The previous prime is 74626542015763. The next prime is 74626542015803. The reversal of 74626542015793 is 39751024562647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74324692865329 + 301849150464 = 8621177^2 + 549408^2 .

It is a cyclic number.

It is not a de Polignac number, because 74626542015793 - 2²⁵ = 74626508461361 is a prime.

It is a super-2 number, since 2×74626542015793² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74626542015763) 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, 37313271007896 + 37313271007897.

It is an arithmetic number, because the mean of its divisors is an integer number (37313271007897).

Almost surely, 2^{74626542015793} is an apocalyptic number.

It is an amenable number.

74626542015793 is a deficient number, since it is larger than the sum of its proper divisors (1).

74626542015793 is an equidigital number, since it uses as much as digits as its factorization.

74626542015793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 74626542015793 in words is "seventy-four trillion, six hundred twenty-six billion, five hundred forty-two million, fifteen thousand, seven hundred ninety-three".