67223444449 has 8 divisors (see below), whose sum is σ = 76829961728. Its totient is φ = 57617719200.

The previous prime is 67223444441. The next prime is 67223444527. The reversal of 67223444449 is 94444432276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67223444449 - 2³ = 67223444441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67223444441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3372 + ... + 366685.

It is an arithmetic number, because the mean of its divisors is an integer number (9603745216).

Almost surely, 2^67223444449 is an apocalyptic number.

It is an amenable number.

67223444449 is a deficient number, since it is larger than the sum of its proper divisors (9606517279).

67223444449 is a wasteful number, since it uses less digits than its factorization.

67223444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396015.

The product of its digits is 4644864, while the sum is 49.

The spelling of 67223444449 in words is "sixty-seven billion, two hundred twenty-three million, four hundred forty-four thousand, four hundred forty-nine".