68107232329 has 4 divisors (see below), whose sum is σ = 68108650884. Its totient is φ = 68105813776.

The previous prime is 68107232327. The next prime is 68107232339. The reversal of 68107232329 is 92323270186.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9580494400 + 58526737929 = 97880^2 + 241923^2 .

It is a cyclic number.

It is not a de Polignac number, because 68107232329 - 2¹ = 68107232327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68107232321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634642 + ... + 734155.

It is an arithmetic number, because the mean of its divisors is an integer number (17027162721).

Almost surely, 2^68107232329 is an apocalyptic number.

It is an amenable number.

68107232329 is a deficient number, since it is larger than the sum of its proper divisors (1418555).

68107232329 is a wasteful number, since it uses less digits than its factorization.

68107232329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418554.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 68107232329 in words is "sixty-eight billion, one hundred seven million, two hundred thirty-two thousand, three hundred twenty-nine".