254942337589 has 2 divisors, whose sum is σ = 254942337590. Its totient is φ = 254942337588.

The previous prime is 254942337493. The next prime is 254942337599. The reversal of 254942337589 is 985733249452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215244963025 + 39697374564 = 463945^2 + 199242^2 .

It is a cyclic number.

It is not a de Polignac number, because 254942337589 - 2⁹ = 254942337077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254942337599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127471168794 + 127471168795.

It is an arithmetic number, because the mean of its divisors is an integer number (127471168795).

Almost surely, 2^254942337589 is an apocalyptic number.

It is an amenable number.

254942337589 is a deficient number, since it is larger than the sum of its proper divisors (1).

254942337589 is an equidigital number, since it uses as much as digits as its factorization.

254942337589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 61.

The spelling of 254942337589 in words is "two hundred fifty-four billion, nine hundred forty-two million, three hundred thirty-seven thousand, five hundred eighty-nine".