74254224109243 has 2 divisors, whose sum is σ = 74254224109244. Its totient is φ = 74254224109242.

The previous prime is 74254224109223. The next prime is 74254224109249. The reversal of 74254224109243 is 34290142245247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74254224109243 - 2²⁹ = 74253687238331 is a prime.

It is not a weakly prime, because it can be changed into another prime (74254224109249) 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, 37127112054621 + 37127112054622.

It is an arithmetic number, because the mean of its divisors is an integer number (37127112054622).

Almost surely, 2^{74254224109243} is an apocalyptic number.

74254224109243 is a deficient number, since it is larger than the sum of its proper divisors (1).

74254224109243 is an equidigital number, since it uses as much as digits as its factorization.

74254224109243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 74254224109243 in words is "seventy-four trillion, two hundred fifty-four billion, two hundred twenty-four million, one hundred nine thousand, two hundred forty-three".