254854338549 has 4 divisors (see below), whose sum is σ = 339805784736. Its totient is φ = 169902892364.

The previous prime is 254854338547. The next prime is 254854338551. The reversal of 254854338549 is 945833458452.

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 an interprime number because it is at equal distance from previous prime (254854338547) and next prime (254854338551).

It is a cyclic number.

It is not a de Polignac number, because 254854338549 - 2¹ = 254854338547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254854338492 and 254854338501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254854338547) 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, 42475723089 + ... + 42475723094.

It is an arithmetic number, because the mean of its divisors is an integer number (84951446184).

Almost surely, 2^254854338549 is an apocalyptic number.

It is an amenable number.

254854338549 is a deficient number, since it is larger than the sum of its proper divisors (84951446187).

254854338549 is an equidigital number, since it uses as much as digits as its factorization.

254854338549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84951446186.

The product of its digits is 82944000, while the sum is 60.

The spelling of 254854338549 in words is "two hundred fifty-four billion, eight hundred fifty-four million, three hundred thirty-eight thousand, five hundred forty-nine".