254131444032163 has 2 divisors, whose sum is σ = 254131444032164. Its totient is φ = 254131444032162.

The previous prime is 254131444032107. The next prime is 254131444032187. The reversal of 254131444032163 is 361230444131452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254131444032163 - 2²¹ = 254131441935011 is a prime.

It is not a weakly prime, because it can be changed into another prime (254131444032863) 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, 127065722016081 + 127065722016082.

It is an arithmetic number, because the mean of its divisors is an integer number (127065722016082).

Almost surely, 2^{254131444032163} is an apocalyptic number.

254131444032163 is a deficient number, since it is larger than the sum of its proper divisors (1).

254131444032163 is an equidigital number, since it uses as much as digits as its factorization.

254131444032163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 254131444032163 in words is "two hundred fifty-four trillion, one hundred thirty-one billion, four hundred forty-four million, thirty-two thousand, one hundred sixty-three".