254560889939 has 2 divisors, whose sum is σ = 254560889940. Its totient is φ = 254560889938.

The previous prime is 254560889929. The next prime is 254560889969. The reversal of 254560889939 is 939988065452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254560889939 - 2⁸ = 254560889683 is a prime.

It is not a weakly prime, because it can be changed into another prime (254560889929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127280444969 + 127280444970.

It is an arithmetic number, because the mean of its divisors is an integer number (127280444970).

Almost surely, 2^254560889939 is an apocalyptic number.

254560889939 is a deficient number, since it is larger than the sum of its proper divisors (1).

254560889939 is an equidigital number, since it uses as much as digits as its factorization.

254560889939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 254560889939 in words is "two hundred fifty-four billion, five hundred sixty million, eight hundred eighty-nine thousand, nine hundred thirty-nine".