67985613829743 has 4 divisors (see below), whose sum is σ = 90647485106328. Its totient is φ = 45323742553160.

The previous prime is 67985613829631. The next prime is 67985613829831. The reversal of 67985613829743 is 34792831658976.

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

It is a cyclic number.

It is not a de Polignac number, because 67985613829743 - 2¹⁶ = 67985613764207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67985613827743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11330935638288 + ... + 11330935638293.

It is an arithmetic number, because the mean of its divisors is an integer number (22661871276582).

Almost surely, 2^{67985613829743} is an apocalyptic number.

67985613829743 is a deficient number, since it is larger than the sum of its proper divisors (22661871276585).

67985613829743 is a wasteful number, since it uses less digits than its factorization.

67985613829743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22661871276584.

The product of its digits is 3292047360, while the sum is 78.

The spelling of 67985613829743 in words is "sixty-seven trillion, nine hundred eighty-five billion, six hundred thirteen million, eight hundred twenty-nine thousand, seven hundred forty-three".