67399324823 has 2 divisors, whose sum is σ = 67399324824. Its totient is φ = 67399324822.

The previous prime is 67399324813. The next prime is 67399324847. The reversal of 67399324823 is 32842399376.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67399324823 - 2¹⁴ = 67399308439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67399324813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33699662411 + 33699662412.

It is an arithmetic number, because the mean of its divisors is an integer number (33699662412).

Almost surely, 2^67399324823 is an apocalyptic number.

67399324823 is a deficient number, since it is larger than the sum of its proper divisors (1).

67399324823 is an equidigital number, since it uses as much as digits as its factorization.

67399324823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 56.

The spelling of 67399324823 in words is "sixty-seven billion, three hundred ninety-nine million, three hundred twenty-four thousand, eight hundred twenty-three".