705185445474816 has 80 divisors (see below), whose sum is σ = 1878710631889344. Its totient is φ = 235055242358784.

The previous prime is 705185445474721. The next prime is 705185445474883. The reversal of 705185445474816 is 618474544581507.

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, 48684750 + ... + 61486386.

Almost surely, 2^{705185445474816} is an apocalyptic number.

It is an amenable number.

705185445474816 is an abundant number, since it is smaller than the sum of its proper divisors (1173525186414528).

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

705185445474816 is a wasteful number, since it uses less digits than its factorization.

705185445474816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12837521 (or 12837505 counting only the distinct ones).

The product of its (nonzero) digits is 602112000, while the sum is 69.

The spelling of 705185445474816 in words is "seven hundred five trillion, one hundred eighty-five billion, four hundred forty-five million, four hundred seventy-four thousand, eight hundred sixteen".