67342010447 has 2 divisors, whose sum is σ = 67342010448. Its totient is φ = 67342010446.

The previous prime is 67342010443. The next prime is 67342010503. The reversal of 67342010447 is 74401024376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67342010447 - 2² = 67342010443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67342010447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67342010443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33671005223 + 33671005224.

It is an arithmetic number, because the mean of its divisors is an integer number (33671005224).

Almost surely, 2^67342010447 is an apocalyptic number.

67342010447 is a deficient number, since it is larger than the sum of its proper divisors (1).

67342010447 is an equidigital number, since it uses as much as digits as its factorization.

67342010447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 67342010447 in words is "sixty-seven billion, three hundred forty-two million, ten thousand, four hundred forty-seven".