254074425491 has 2 divisors, whose sum is σ = 254074425492. Its totient is φ = 254074425490.

The previous prime is 254074425481. The next prime is 254074425533. The reversal of 254074425491 is 194524470452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254074425491 - 2¹⁰ = 254074424467 is a prime.

It is not a weakly prime, because it can be changed into another prime (254074425481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127037212745 + 127037212746.

It is an arithmetic number, because the mean of its divisors is an integer number (127037212746).

Almost surely, 2^254074425491 is an apocalyptic number.

254074425491 is a deficient number, since it is larger than the sum of its proper divisors (1).

254074425491 is an equidigital number, since it uses as much as digits as its factorization.

254074425491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 254074425491 in words is "two hundred fifty-four billion, seventy-four million, four hundred twenty-five thousand, four hundred ninety-one".