849438011412 has 18 divisors (see below), whose sum is σ = 2147190528938. Its totient is φ = 283146003792.

The previous prime is 849438011393. The next prime is 849438011417. The reversal of 849438011412 is 214110834948.

849438011412 is a `hidden beast` number, since 8 + 494 + 38 + 0 + 114 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 545654051856 + 303783959556 = 738684^2 + 551166^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849438011417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11797750123 + ... + 11797750194.

Almost surely, 2^849438011412 is an apocalyptic number.

It is an amenable number.

849438011412 is an abundant number, since it is smaller than the sum of its proper divisors (1297752517526).

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

849438011412 is a wasteful number, since it uses less digits than its factorization.

849438011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23595500327 (or 23595500322 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 849438011412 in words is "eight hundred forty-nine billion, four hundred thirty-eight million, eleven thousand, four hundred twelve".