74254224109129 has 2 divisors, whose sum is σ = 74254224109130. Its totient is φ = 74254224109128.

The previous prime is 74254224109123. The next prime is 74254224109157. The reversal of 74254224109129 is 92190142245247.

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., 57423840933904 + 16830383175225 = 7577852^2 + 4102485^2 .

It is a cyclic number.

It is not a de Polignac number, because 74254224109129 - 2³⁵ = 74219864370761 is a prime.

It is a super-2 number, since 2×74254224109129² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74254224109123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37127112054564 + 37127112054565.

It is an arithmetic number, because the mean of its divisors is an integer number (37127112054565).

Almost surely, 2^{74254224109129} is an apocalyptic number.

It is an amenable number.

74254224109129 is a deficient number, since it is larger than the sum of its proper divisors (1).

74254224109129 is an equidigital number, since it uses as much as digits as its factorization.

74254224109129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 74254224109129 in words is "seventy-four trillion, two hundred fifty-four billion, two hundred twenty-four million, one hundred nine thousand, one hundred twenty-nine".