254251604789 has 16 divisors (see below), whose sum is σ = 319311283200. Its totient is φ = 201166101360.

The previous prime is 254251604779. The next prime is 254251604797. The reversal of 254251604789 is 987406152452.

It is not a de Polignac number, because 254251604789 - 2³⁶ = 185532128053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254251604789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254251604779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28505477 + ... + 28514394.

It is an arithmetic number, because the mean of its divisors is an integer number (19956955200).

Almost surely, 2^254251604789 is an apocalyptic number.

It is an amenable number.

254251604789 is a deficient number, since it is larger than the sum of its proper divisors (65059678411).

254251604789 is an equidigital number, since it uses as much as digits as its factorization.

254251604789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57019905 (or 57019891 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 254251604789 in words is "two hundred fifty-four billion, two hundred fifty-one million, six hundred four thousand, seven hundred eighty-nine".