682153459384321 has 4 divisors (see below), whose sum is σ = 682153511620612. Its totient is φ = 682153407148032.

The previous prime is 682153459384231. The next prime is 682153459384349. The reversal of 682153459384321 is 123483954351286.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 63533891764225 + 618619567620096 = 7970815^2 + 24872064^2 .

It is a cyclic number.

It is not a de Polignac number, because 682153459384321 - 2⁴³ = 673357366362113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682153459394321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12963745 + ... + 39145441.

It is an arithmetic number, because the mean of its divisors is an integer number (170538377905153).

Almost surely, 2^{682153459384321} is an apocalyptic number.

It is an amenable number.

682153459384321 is a deficient number, since it is larger than the sum of its proper divisors (52236291).

682153459384321 is a wasteful number, since it uses less digits than its factorization.

682153459384321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52236290.

The product of its digits is 149299200, while the sum is 64.

The spelling of 682153459384321 in words is "six hundred eighty-two trillion, one hundred fifty-three billion, four hundred fifty-nine million, three hundred eighty-four thousand, three hundred twenty-one".