254044135171 has 2 divisors, whose sum is σ = 254044135172. Its totient is φ = 254044135170.

The previous prime is 254044135127. The next prime is 254044135201. The reversal of 254044135171 is 171531440452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254044135171 - 2³⁵ = 219684396803 is a prime.

It is a super-2 number, since 2×254044135171² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254044135171.

It is not a weakly prime, because it can be changed into another prime (254044138171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127022067585 + 127022067586.

It is an arithmetic number, because the mean of its divisors is an integer number (127022067586).

Almost surely, 2^254044135171 is an apocalyptic number.

254044135171 is a deficient number, since it is larger than the sum of its proper divisors (1).

254044135171 is an equidigital number, since it uses as much as digits as its factorization.

254044135171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 254044135171 in words is "two hundred fifty-four billion, forty-four million, one hundred thirty-five thousand, one hundred seventy-one".