254009288645 has 32 divisors (see below), whose sum is σ = 363730383360. Its totient is φ = 166499942400.

The previous prime is 254009288641. The next prime is 254009288657. The reversal of 254009288645 is 546882900452.

It is not a de Polignac number, because 254009288645 - 2² = 254009288641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254009288641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190261 + ... + 1387349.

It is an arithmetic number, because the mean of its divisors is an integer number (11366574480).

Almost surely, 2^254009288645 is an apocalyptic number.

It is an amenable number.

254009288645 is a deficient number, since it is larger than the sum of its proper divisors (109721094715).

254009288645 is a wasteful number, since it uses less digits than its factorization.

254009288645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198725.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 254009288645 in words is "two hundred fifty-four billion, nine million, two hundred eighty-eight thousand, six hundred forty-five".