254874229391 has 2 divisors, whose sum is σ = 254874229392. Its totient is φ = 254874229390.

The previous prime is 254874229349. The next prime is 254874229453. The reversal of 254874229391 is 193922478452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254874229391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254874229691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127437114695 + 127437114696.

It is an arithmetic number, because the mean of its divisors is an integer number (127437114696).

Almost surely, 2^254874229391 is an apocalyptic number.

254874229391 is a deficient number, since it is larger than the sum of its proper divisors (1).

254874229391 is an equidigital number, since it uses as much as digits as its factorization.

254874229391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The spelling of 254874229391 in words is "two hundred fifty-four billion, eight hundred seventy-four million, two hundred twenty-nine thousand, three hundred ninety-one".