67345673339 has 4 divisors (see below), whose sum is σ = 76966483824. Its totient is φ = 57724862856.

The previous prime is 67345673309. The next prime is 67345673401. The reversal of 67345673339 is 93337654376.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67345673339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67345673309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4810405232 + ... + 4810405245.

It is an arithmetic number, because the mean of its divisors is an integer number (19241620956).

Almost surely, 2^67345673339 is an apocalyptic number.

67345673339 is a deficient number, since it is larger than the sum of its proper divisors (9620810485).

67345673339 is an equidigital number, since it uses as much as digits as its factorization.

67345673339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620810484.

The product of its digits is 25719120, while the sum is 56.

The spelling of 67345673339 in words is "sixty-seven billion, three hundred forty-five million, six hundred seventy-three thousand, three hundred thirty-nine".