849933289568 has 48 divisors (see below), whose sum is σ = 1841579194896. Its totient is φ = 382914416640.

The previous prime is 849933289561. The next prime is 849933289591. The reversal of 849933289568 is 865982339948.

It is a junction number, because it is equal to n+sod(n) for n = 849933289495 and 849933289504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849933289561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10644221 + ... + 10723772.

It is an arithmetic number, because the mean of its divisors is an integer number (38366233227).

Almost surely, 2^849933289568 is an apocalyptic number.

849933289568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

849933289568 is an abundant number, since it is smaller than the sum of its proper divisors (991645905328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849933289568 is a wasteful number, since it uses less digits than its factorization.

849933289568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21368127 (or 21368119 counting only the distinct ones).

The product of its digits is 806215680, while the sum is 74.

The spelling of 849933289568 in words is "eight hundred forty-nine billion, nine hundred thirty-three million, two hundred eighty-nine thousand, five hundred sixty-eight".