682810129 has 4 divisors (see below), whose sum is σ = 683282160. Its totient is φ = 682338100.

The previous prime is 682810091. The next prime is 682810153. The reversal of 682810129 is 921018286.

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.

It is a cyclic number.

It is not a de Polignac number, because 682810129 - 2⁷ = 682810001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682810169) 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, 233839 + ... + 236740.

It is an arithmetic number, because the mean of its divisors is an integer number (170820540).

Almost surely, 2^682810129 is an apocalyptic number.

It is an amenable number.

682810129 is a deficient number, since it is larger than the sum of its proper divisors (472031).

682810129 is a wasteful number, since it uses less digits than its factorization.

682810129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472030.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 682810129 is about 26130.6358322946. The cubic root of 682810129 is about 880.5756086907.

The spelling of 682810129 in words is "six hundred eighty-two million, eight hundred ten thousand, one hundred twenty-nine".