254642622259 has 2 divisors, whose sum is σ = 254642622260. Its totient is φ = 254642622258.

The previous prime is 254642622197. The next prime is 254642622271. The reversal of 254642622259 is 952226246452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254642622259 - 2²¹ = 254640525107 is a prime.

It is not a weakly prime, because it can be changed into another prime (254642620259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127321311129 + 127321311130.

It is an arithmetic number, because the mean of its divisors is an integer number (127321311130).

Almost surely, 2^254642622259 is an apocalyptic number.

254642622259 is a deficient number, since it is larger than the sum of its proper divisors (1).

254642622259 is an equidigital number, since it uses as much as digits as its factorization.

254642622259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 49.

The spelling of 254642622259 in words is "two hundred fifty-four billion, six hundred forty-two million, six hundred twenty-two thousand, two hundred fifty-nine".