682157285813 has 4 divisors (see below), whose sum is σ = 682247969568. Its totient is φ = 682066602060.

The previous prime is 682157285773. The next prime is 682157285827. The reversal of 682157285813 is 318582751286.

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 682157285813 - 2¹² = 682157281717 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 (682157285863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45330593 + ... + 45345638.

It is an arithmetic number, because the mean of its divisors is an integer number (170561992392).

Almost surely, 2^682157285813 is an apocalyptic number.

It is an amenable number.

682157285813 is a deficient number, since it is larger than the sum of its proper divisors (90683755).

682157285813 is an equidigital number, since it uses as much as digits as its factorization.

682157285813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90683754.

The product of its digits is 6451200, while the sum is 56.

The spelling of 682157285813 in words is "six hundred eighty-two billion, one hundred fifty-seven million, two hundred eighty-five thousand, eight hundred thirteen".