254927519117 has 6 divisors (see below), whose sum is σ = 266493229422. Its totient is φ = 243843713432.

The previous prime is 254927519101. The next prime is 254927519137. The reversal of 254927519117 is 711915729452.

It can be written as a sum of positive squares in only one way, i.e., 198827701801 + 56099817316 = 445901^2 + 236854^2 .

It is not a de Polignac number, because 254927519117 - 2⁴ = 254927519101 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 (254927519137) 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, 240951758 + ... + 240952815.

It is an arithmetic number, because the mean of its divisors is an integer number (44415538237).

Almost surely, 2^254927519117 is an apocalyptic number.

It is an amenable number.

254927519117 is a deficient number, since it is larger than the sum of its proper divisors (11565710305).

254927519117 is an equidigital number, since it uses as much as digits as its factorization.

254927519117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481904619 (or 481904596 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 53.

The spelling of 254927519117 in words is "two hundred fifty-four billion, nine hundred twenty-seven million, five hundred nineteen thousand, one hundred seventeen".