254728072427 has 4 divisors (see below), whose sum is σ = 256415013456. Its totient is φ = 253041131400.

The previous prime is 254728072381. The next prime is 254728072451. The reversal of 254728072427 is 724270827452.

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 254728072427 - 2¹⁴ = 254728056043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254728072327) 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, 843470288 + ... + 843470589.

It is an arithmetic number, because the mean of its divisors is an integer number (64103753364).

Almost surely, 2^254728072427 is an apocalyptic number.

254728072427 is a deficient number, since it is larger than the sum of its proper divisors (1686941029).

254728072427 is a wasteful number, since it uses less digits than its factorization.

254728072427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686941028.

The product of its (nonzero) digits is 3512320, while the sum is 50.

Adding to 254728072427 its reverse (724270827452), we get a palindrome (978998899879).

The spelling of 254728072427 in words is "two hundred fifty-four billion, seven hundred twenty-eight million, seventy-two thousand, four hundred twenty-seven".