859453897612 has 6 divisors (see below), whose sum is σ = 1504044320828. Its totient is φ = 429726948804.

The previous prime is 859453897607. The next prime is 859453897639. The reversal of 859453897612 is 216798354958.

859453897612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×859453897612² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107431737198 + ... + 107431737205.

Almost surely, 2^859453897612 is an apocalyptic number.

It is an amenable number.

859453897612 is a deficient number, since it is larger than the sum of its proper divisors (644590423216).

859453897612 is a wasteful number, since it uses less digits than its factorization.

859453897612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214863474407 (or 214863474405 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 67.

The spelling of 859453897612 in words is "eight hundred fifty-nine billion, four hundred fifty-three million, eight hundred ninety-seven thousand, six hundred twelve".