254049390841 has 2 divisors, whose sum is σ = 254049390842. Its totient is φ = 254049390840.

The previous prime is 254049390827. The next prime is 254049390857. The reversal of 254049390841 is 148093940452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217369480441 + 36679910400 = 466229^2 + 191520^2 .

It is a cyclic number.

It is not a de Polignac number, because 254049390841 - 2¹¹ = 254049388793 is a prime.

It is not a weakly prime, because it can be changed into another prime (254049390541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127024695420 + 127024695421.

It is an arithmetic number, because the mean of its divisors is an integer number (127024695421).

Almost surely, 2^254049390841 is an apocalyptic number.

It is an amenable number.

254049390841 is a deficient number, since it is larger than the sum of its proper divisors (1).

254049390841 is an equidigital number, since it uses as much as digits as its factorization.

254049390841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 254049390841 in words is "two hundred fifty-four billion, forty-nine million, three hundred ninety thousand, eight hundred forty-one".