849702052942 has 32 divisors (see below), whose sum is σ = 1308509199360. Its totient is φ = 413726100480.

The previous prime is 849702052907. The next prime is 849702052943. The reversal of 849702052942 is 249250207948.

It is a self number, because there is not a number n which added to its sum of digits gives 849702052942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849702052943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2959842 + ... + 3234202.

It is an arithmetic number, because the mean of its divisors is an integer number (40890912480).

Almost surely, 2^849702052942 is an apocalyptic number.

849702052942 is a deficient number, since it is larger than the sum of its proper divisors (458807146418).

849702052942 is a wasteful number, since it uses less digits than its factorization.

849702052942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274716.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 849702052942 in words is "eight hundred forty-nine billion, seven hundred two million, fifty-two thousand, nine hundred forty-two".