849335985404 has 12 divisors (see below), whose sum is σ = 1486345560000. Its totient is φ = 424665825408.

The previous prime is 849335985391. The next prime is 849335985473. The reversal of 849335985404 is 404589533948.

849335985404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×849335985404² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613772 + ... + 1440620.

It is an arithmetic number, because the mean of its divisors is an integer number (123862130000).

Almost surely, 2^849335985404 is an apocalyptic number.

It is an amenable number.

849335985404 is a deficient number, since it is larger than the sum of its proper divisors (637009574596).

849335985404 is a wasteful number, since it uses less digits than its factorization.

849335985404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083652 (or 1083650 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 62.

The spelling of 849335985404 in words is "eight hundred forty-nine billion, three hundred thirty-five million, nine hundred eighty-five thousand, four hundred four".