254963863985 has 8 divisors (see below), whose sum is σ = 305964723840. Its totient is φ = 203965699824.

The previous prime is 254963863949. The next prime is 254963863997. The reversal of 254963863985 is 589368369452.

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

It is a cyclic number.

It is not a de Polignac number, because 254963863985 - 2²⁶ = 254896755121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459647 + ... + 849236.

It is an arithmetic number, because the mean of its divisors is an integer number (38245590480).

Almost surely, 2^254963863985 is an apocalyptic number.

It is an amenable number.

254963863985 is a deficient number, since it is larger than the sum of its proper divisors (51000859855).

254963863985 is a wasteful number, since it uses less digits than its factorization.

254963863985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347847.

The product of its digits is 335923200, while the sum is 68.

The spelling of 254963863985 in words is "two hundred fifty-four billion, nine hundred sixty-three million, eight hundred sixty-three thousand, nine hundred eighty-five".