849836168959 has 4 divisors (see below), whose sum is σ = 872804714104. Its totient is φ = 826867623816.

The previous prime is 849836168939. The next prime is 849836168971. The reversal of 849836168959 is 959861638948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 849836168959 - 2²⁵ = 849802614527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849836168939) 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, 11484272517 + ... + 11484272590.

It is an arithmetic number, because the mean of its divisors is an integer number (218201178526).

Almost surely, 2^849836168959 is an apocalyptic number.

849836168959 is a deficient number, since it is larger than the sum of its proper divisors (22968545145).

849836168959 is a wasteful number, since it uses less digits than its factorization.

849836168959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22968545144.

The product of its digits is 806215680, while the sum is 76.

The spelling of 849836168959 in words is "eight hundred forty-nine billion, eight hundred thirty-six million, one hundred sixty-eight thousand, nine hundred fifty-nine".