254171269393 has 2 divisors, whose sum is σ = 254171269394. Its totient is φ = 254171269392.

The previous prime is 254171269271. The next prime is 254171269459. The reversal of 254171269393 is 393962171452.

254171269393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173132552464 + 81038716929 = 416092^2 + 284673^2 .

It is a cyclic number.

It is not a de Polignac number, because 254171269393 - 2²¹ = 254169172241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254171269393.

It is not a weakly prime, because it can be changed into another prime (254171263393) 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, 127085634696 + 127085634697.

It is an arithmetic number, because the mean of its divisors is an integer number (127085634697).

Almost surely, 2^254171269393 is an apocalyptic number.

It is an amenable number.

254171269393 is a deficient number, since it is larger than the sum of its proper divisors (1).

254171269393 is an equidigital number, since it uses as much as digits as its factorization.

254171269393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The spelling of 254171269393 in words is "two hundred fifty-four billion, one hundred seventy-one million, two hundred sixty-nine thousand, three hundred ninety-three".