846539919508 has 12 divisors (see below), whose sum is σ = 1521483909652. Its totient is φ = 411830231040.

The previous prime is 846539919497. The next prime is 846539919517. The reversal of 846539919508 is 805919935648.

It can be written as a sum of positive squares in 2 ways, for example, as 630972858244 + 215567061264 = 794338^2 + 464292^2 .

It is a super-2 number, since 2×846539919508² (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, 2859932013 + ... + 2859932308.

Almost surely, 2^846539919508 is an apocalyptic number.

It is an amenable number.

846539919508 is a deficient number, since it is larger than the sum of its proper divisors (674943990144).

846539919508 is a wasteful number, since it uses less digits than its factorization.

846539919508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719864362 (or 5719864360 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 67.

The spelling of 846539919508 in words is "eight hundred forty-six billion, five hundred thirty-nine million, nine hundred nineteen thousand, five hundred eight".