794453261985 has 24 divisors (see below), whose sum is σ = 1384187322024. Its totient is φ = 421513021440.

The previous prime is 794453261969. The next prime is 794453262007. The reversal of 794453261985 is 589162354497.

794453261985 is a `hidden beast` number, since 7 + 9 + 4 + 4 + 5 + 3 + 2 + 619 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 45508408929 + 748944853056 = 213327^2 + 865416^2 .

It is not a de Polignac number, because 794453261985 - 2⁴ = 794453261969 is a prime.

It is a super-2 number, since 2×794453261985² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45728406 + ... + 45745775.

It is an arithmetic number, because the mean of its divisors is an integer number (57674471751).

Almost surely, 2^794453261985 is an apocalyptic number.

It is an amenable number.

794453261985 is a deficient number, since it is larger than the sum of its proper divisors (589734060039).

794453261985 is a wasteful number, since it uses less digits than its factorization.

794453261985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91474385 (or 91474382 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 794453261985 in words is "seven hundred ninety-four billion, four hundred fifty-three million, two hundred sixty-one thousand, nine hundred eighty-five".