254405142154291 has 2 divisors, whose sum is σ = 254405142154292. Its totient is φ = 254405142154290.

The previous prime is 254405142154199. The next prime is 254405142154327. The reversal of 254405142154291 is 192451241504452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254405142154291 - 2²¹ = 254405140057139 is a prime.

It is not a weakly prime, because it can be changed into another prime (254405142154091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127202571077145 + 127202571077146.

It is an arithmetic number, because the mean of its divisors is an integer number (127202571077146).

Almost surely, 2^{254405142154291} is an apocalyptic number.

254405142154291 is a deficient number, since it is larger than the sum of its proper divisors (1).

254405142154291 is an equidigital number, since it uses as much as digits as its factorization.

254405142154291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 254405142154291 in words is "two hundred fifty-four trillion, four hundred five billion, one hundred forty-two million, one hundred fifty-four thousand, two hundred ninety-one".