839803893042 has 16 divisors (see below), whose sum is σ = 1718668432800. Its totient is φ = 273424523232.

The previous prime is 839803893037. The next prime is 839803893059. The reversal of 839803893042 is 240398308938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627526667 + ... + 1627527182.

It is an arithmetic number, because the mean of its divisors is an integer number (107416777050).

Almost surely, 2^839803893042 is an apocalyptic number.

839803893042 is an abundant number, since it is smaller than the sum of its proper divisors (878864539758).

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

839803893042 is a wasteful number, since it uses less digits than its factorization.

839803893042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255053897.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 839803893042 in words is "eight hundred thirty-nine billion, eight hundred three million, eight hundred ninety-three thousand, forty-two".