682637413 has 16 divisors (see below), whose sum is σ = 708963696. Its totient is φ = 656847360.

The previous prime is 682637399. The next prime is 682637429. The reversal of 682637413 is 314736286.

It can be written as a sum of positive squares in 8 ways, for example, as 164301124 + 518336289 = 12818^2 + 22767^2 .

It is a cyclic number.

It is not a de Polignac number, because 682637413 - 2⁹ = 682636901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682637113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113295 + ... + 1113907.

It is an arithmetic number, because the mean of its divisors is an integer number (44310231).

Almost surely, 2^682637413 is an apocalyptic number.

It is an amenable number.

682637413 is a deficient number, since it is larger than the sum of its proper divisors (26326283).

682637413 is a wasteful number, since it uses less digits than its factorization.

682637413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its digits is 145152, while the sum is 40.

The square root of 682637413 is about 26127.3307668426. The cubic root of 682637413 is about 880.5013555830.

The spelling of 682637413 in words is "six hundred eighty-two million, six hundred thirty-seven thousand, four hundred thirteen".