254427388919079 has 4 divisors (see below), whose sum is σ = 339236518558776. Its totient is φ = 169618259279384.

The previous prime is 254427388919027. The next prime is 254427388919089. The reversal of 254427388919079 is 970919883724452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254427388919079 - 2⁷ = 254427388918951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254427388918995 and 254427388919013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254427388919089) 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, 42404564819844 + ... + 42404564819849.

It is an arithmetic number, because the mean of its divisors is an integer number (84809129639694).

Almost surely, 2^{254427388919079} is an apocalyptic number.

254427388919079 is a deficient number, since it is larger than the sum of its proper divisors (84809129639697).

254427388919079 is an equidigital number, since it uses as much as digits as its factorization.

254427388919079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84809129639696.

The product of its (nonzero) digits is 2194698240, while the sum is 78.

The spelling of 254427388919079 in words is "two hundred fifty-four trillion, four hundred twenty-seven billion, three hundred eighty-eight million, nine hundred nineteen thousand, seventy-nine".