4855185998649 has 24 divisors (see below), whose sum is σ = 8017721779392. Its totient is φ = 2773418767200.

The previous prime is 4855185998639. The next prime is 4855185998669. The reversal of 4855185998649 is 9468995815584.

4855185998649 is a `hidden beast` number, since 4 + 8 + 5 + 5 + 18 + 599 + 8 + 6 + 4 + 9 = 666.

It is not a de Polignac number, because 4855185998649 - 2¹² = 4855185994553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4855185998639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13336074 + ... + 13695299.

It is an arithmetic number, because the mean of its divisors is an integer number (334071740808).

Almost surely, 2^{4855185998649} is an apocalyptic number.

It is an amenable number.

4855185998649 is a deficient number, since it is larger than the sum of its proper divisors (3162535780743).

4855185998649 is a wasteful number, since it uses less digits than its factorization.

4855185998649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27034237 (or 27034234 counting only the distinct ones).

The product of its digits is 4478976000, while the sum is 81.

The spelling of 4855185998649 in words is "four trillion, eight hundred fifty-five billion, one hundred eighty-five million, nine hundred ninety-eight thousand, six hundred forty-nine".