254896259917 has 6 divisors (see below), whose sum is σ = 276011926602. Its totient is φ = 235288855152.

The previous prime is 254896259911. The next prime is 254896259923. The reversal of 254896259917 is 719952698452.

It is an interprime number because it is at equal distance from previous prime (254896259911) and next prime (254896259923).

It can be written as a sum of positive squares in 3 ways, for example, as 30420243396 + 224476016521 = 174414^2 + 473789^2 .

It is not a de Polignac number, because 254896259917 - 2¹⁵ = 254896227149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254896259911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 754130778 + ... + 754131115.

It is an arithmetic number, because the mean of its divisors is an integer number (46001987767).

Almost surely, 2^254896259917 is an apocalyptic number.

It is an amenable number.

254896259917 is a deficient number, since it is larger than the sum of its proper divisors (21115666685).

254896259917 is a wasteful number, since it uses less digits than its factorization.

254896259917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508261919 (or 1508261906 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 67.

The spelling of 254896259917 in words is "two hundred fifty-four billion, eight hundred ninety-six million, two hundred fifty-nine thousand, nine hundred seventeen".