682123729564 has 24 divisors (see below), whose sum is σ = 1263597294960. Its totient is φ = 321642943104.

The previous prime is 682123729561. The next prime is 682123729571. The reversal of 682123729564 is 465927321286.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682123729561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68371489 + ... + 68381464.

It is an arithmetic number, because the mean of its divisors is an integer number (52649887290).

Almost surely, 2^682123729564 is an apocalyptic number.

It is an amenable number.

682123729564 is a deficient number, since it is larger than the sum of its proper divisors (581473565396).

682123729564 is a wasteful number, since it uses less digits than its factorization.

682123729564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136753029 (or 136753027 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 682123729564 in words is "six hundred eighty-two billion, one hundred twenty-three million, seven hundred twenty-nine thousand, five hundred sixty-four".