682434493 has 4 divisors (see below), whose sum is σ = 734929468. Its totient is φ = 629939520.

The previous prime is 682434443. The next prime is 682434499. The reversal of 682434493 is 394434286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 359405764 + 323028729 = 18958^2 + 17973^2 .

It is a cyclic number.

It is not a de Polignac number, because 682434493 - 2¹³ = 682426301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682434499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26247468 + ... + 26247493.

It is an arithmetic number, because the mean of its divisors is an integer number (183732367).

Almost surely, 2^682434493 is an apocalyptic number.

It is an amenable number.

682434493 is a deficient number, since it is larger than the sum of its proper divisors (52494975).

682434493 is a wasteful number, since it uses less digits than its factorization.

682434493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52494974.

The product of its digits is 497664, while the sum is 43.

The square root of 682434493 is about 26123.4471883019. The cubic root of 682434493 is about 880.4141013352.

The spelling of 682434493 in words is "six hundred eighty-two million, four hundred thirty-four thousand, four hundred ninety-three".