254891849885 has 8 divisors (see below), whose sum is σ = 307578993120. Its totient is φ = 202774297744.

The previous prime is 254891849851. The next prime is 254891849897. The reversal of 254891849885 is 588948198452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254891849885 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142396787 + ... + 142398576.

It is an arithmetic number, because the mean of its divisors is an integer number (38447374140).

Almost surely, 2^254891849885 is an apocalyptic number.

It is an amenable number.

254891849885 is a deficient number, since it is larger than the sum of its proper divisors (52687143235).

254891849885 is a wasteful number, since it uses less digits than its factorization.

254891849885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284795547.

The product of its digits is 265420800, while the sum is 71.

The spelling of 254891849885 in words is "two hundred fifty-four billion, eight hundred ninety-one million, eight hundred forty-nine thousand, eight hundred eighty-five".