254136426017 has 4 divisors (see below), whose sum is σ = 254193373440. Its totient is φ = 254079478596.

The previous prime is 254136425999. The next prime is 254136426041. The reversal of 254136426017 is 710624631452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254136426017 - 2³⁴ = 236956556833 is a prime.

It is a super-2 number, since 2×254136426017² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254136426077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28467017 + ... + 28475942.

It is an arithmetic number, because the mean of its divisors is an integer number (63548343360).

Almost surely, 2^254136426017 is an apocalyptic number.

It is an amenable number.

254136426017 is a deficient number, since it is larger than the sum of its proper divisors (56947423).

254136426017 is an equidigital number, since it uses as much as digits as its factorization.

254136426017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56947422.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 254136426017 in words is "two hundred fifty-four billion, one hundred thirty-six million, four hundred twenty-six thousand, seventeen".