68333232389 has 4 divisors (see below), whose sum is σ = 70537530240. Its totient is φ = 66128934540.

The previous prime is 68333232349. The next prime is 68333232391. The reversal of 68333232389 is 98323233386.

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 68333232389 - 2²⁴ = 68316455173 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 (68333232349) 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, 1102148879 + ... + 1102148940.

It is an arithmetic number, because the mean of its divisors is an integer number (17634382560).

Almost surely, 2^68333232389 is an apocalyptic number.

It is an amenable number.

68333232389 is a deficient number, since it is larger than the sum of its proper divisors (2204297851).

68333232389 is a wasteful number, since it uses less digits than its factorization.

68333232389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204297850.

The product of its digits is 3359232, while the sum is 50.

The spelling of 68333232389 in words is "sixty-eight billion, three hundred thirty-three million, two hundred thirty-two thousand, three hundred eighty-nine".