794574349321 has 3 divisors (see below), whose sum is σ = 794575240711. Its totient is φ = 794573457932.

The previous prime is 794574349291. The next prime is 794574349397. The reversal of 794574349321 is 123943475497.

It is a happy number.

The square root of 794574349321 is 891389.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 123943475497 = 45641 ⋅2715617.

It can be written as a sum of positive squares in only one way, i.e., 127314089721 + 667260259600 = 356811^2 + 816860^2 .

It is not a de Polignac number, because 794574349321 - 2⁷ = 794574349193 is a prime.

It is a super-2 number, since 2×794574349321² (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 (794574329321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 445695 + ... + 1337083.

Almost surely, 2^794574349321 is an apocalyptic number.

794574349321 is the 891389-th square number.

794574349321 is the 445695-th centered octagonal number.

It is an amenable number.

794574349321 is a deficient number, since it is larger than the sum of its proper divisors (891390).

794574349321 is an frugal number, since it uses more digits than its factorization.

794574349321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782778 (or 891389 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 58.

The spelling of 794574349321 in words is "seven hundred ninety-four billion, five hundred seventy-four million, three hundred forty-nine thousand, three hundred twenty-one".