682594873249 has 3 divisors (see below), whose sum is σ = 682595699443. Its totient is φ = 682594047056.

The previous prime is 682594873223. The next prime is 682594873277. The reversal of 682594873249 is 942378495286.

The square root of 682594873249 is 826193.

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.

It can be written as a sum of positive squares in only one way, i.e., 67675421025 + 614919452224 = 260145^2 + 784168^2 .

It is not a de Polignac number, because 682594873249 - 2¹⁷ = 682594742177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682594873549) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 413097 + ... + 1239289.

Almost surely, 2^682594873249 is an apocalyptic number.

682594873249 is the 826193-rd square number.

682594873249 is the 413097-th centered octagonal number.

It is an amenable number.

682594873249 is a deficient number, since it is larger than the sum of its proper divisors (826194).

682594873249 is an frugal number, since it uses more digits than its factorization.

682594873249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652386 (or 826193 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 67.

The spelling of 682594873249 in words is "six hundred eighty-two billion, five hundred ninety-four million, eight hundred seventy-three thousand, two hundred forty-nine".