682513669 has 4 divisors (see below), whose sum is σ = 682974144. Its totient is φ = 682053196.

The previous prime is 682513651. The next prime is 682513693. The reversal of 682513669 is 966315286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 966315286 = 2 ⋅483157643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682513669 is a prime.

It is a super-2 number, since 2×682513669² = 931649816743683122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682513609) 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 3 ways as a sum of consecutive naturals, for example, 228007 + ... + 230980.

It is an arithmetic number, because the mean of its divisors is an integer number (170743536).

Almost surely, 2^682513669 is an apocalyptic number.

It is an amenable number.

682513669 is a deficient number, since it is larger than the sum of its proper divisors (460475).

682513669 is a wasteful number, since it uses less digits than its factorization.

682513669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460474.

The product of its digits is 466560, while the sum is 46.

The square root of 682513669 is about 26124.9625645665. The cubic root of 682513669 is about 880.4481485451.

The spelling of 682513669 in words is "six hundred eighty-two million, five hundred thirteen thousand, six hundred sixty-nine".