842706308339 has 4 divisors (see below), whose sum is σ = 963092923824. Its totient is φ = 722319692856.

The previous prime is 842706308299. The next prime is 842706308363. The reversal of 842706308339 is 933803607248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 842706308339 - 2¹² = 842706304243 is a prime.

It is a super-2 number, since 2×842706308339² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842706208339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60193307732 + ... + 60193307745.

It is an arithmetic number, because the mean of its divisors is an integer number (240773230956).

Almost surely, 2^842706308339 is an apocalyptic number.

842706308339 is a deficient number, since it is larger than the sum of its proper divisors (120386615485).

842706308339 is a wasteful number, since it uses less digits than its factorization.

842706308339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120386615484.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 842706308339 in words is "eight hundred forty-two billion, seven hundred six million, three hundred eight thousand, three hundred thirty-nine".