254741338209 has 4 divisors (see below), whose sum is σ = 339655117616. Its totient is φ = 169827558804.

The previous prime is 254741338139. The next prime is 254741338223. The reversal of 254741338209 is 902833147452.

254741338209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2^k-254741338209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254741338279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42456889699 + ... + 42456889704.

It is an arithmetic number, because the mean of its divisors is an integer number (84913779404).

Almost surely, 2^254741338209 is an apocalyptic number.

It is an amenable number.

254741338209 is a deficient number, since it is larger than the sum of its proper divisors (84913779407).

254741338209 is an equidigital number, since it uses as much as digits as its factorization.

254741338209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84913779406.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 254741338209 in words is "two hundred fifty-four billion, seven hundred forty-one million, three hundred thirty-eight thousand, two hundred nine".