67344842481 has 16 divisors (see below), whose sum is σ = 102639934464. Its totient is φ = 38475558864.

The previous prime is 67344842473. The next prime is 67344842507. The reversal of 67344842481 is 18424844376.

It is a happy number.

It is not a de Polignac number, because 67344842481 - 2³ = 67344842473 is a prime.

It is a super-2 number, since 2×67344842481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67344842431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184525 + ... + 410778.

It is an arithmetic number, because the mean of its divisors is an integer number (6414995904).

Almost surely, 2^67344842481 is an apocalyptic number.

It is an amenable number.

67344842481 is a deficient number, since it is larger than the sum of its proper divisors (35295091983).

67344842481 is a wasteful number, since it uses less digits than its factorization.

67344842481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600700.

The product of its digits is 4128768, while the sum is 51.

The spelling of 67344842481 in words is "sixty-seven billion, three hundred forty-four million, eight hundred forty-two thousand, four hundred eighty-one".