68064629823 has 24 divisors (see below), whose sum is σ = 99610318080. Its totient is φ = 44780058960.

The previous prime is 68064629807. The next prime is 68064629833. The reversal of 68064629823 is 32892646086.

68064629823 is a `hidden beast` number, since 6 + 8 + 0 + 6 + 4 + 629 + 8 + 2 + 3 = 666.

It is not a de Polignac number, because 68064629823 - 2⁴ = 68064629807 is a prime.

It is a super-2 number, since 2×68064629823² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68064629823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68064629833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630508 + ... + 730526.

It is an arithmetic number, because the mean of its divisors is an integer number (4150429920).

Almost surely, 2^68064629823 is an apocalyptic number.

68064629823 is a deficient number, since it is larger than the sum of its proper divisors (31545688257).

68064629823 is a wasteful number, since it uses less digits than its factorization.

68064629823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101019 (or 101016 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 68064629823 in words is "sixty-eight billion, sixty-four million, six hundred twenty-nine thousand, eight hundred twenty-three".