67394113543 has 8 divisors (see below), whose sum is σ = 67643601696. Its totient is φ = 67144694400.

The previous prime is 67394113541. The next prime is 67394113601. The reversal of 67394113543 is 34531149376.

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 67394113543 - 2¹ = 67394113541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67394113493 and 67394113502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67394113541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750878 + ... + 2775268.

It is an arithmetic number, because the mean of its divisors is an integer number (8455450212).

Almost surely, 2^67394113543 is an apocalyptic number.

67394113543 is a deficient number, since it is larger than the sum of its proper divisors (249488153).

67394113543 is a wasteful number, since it uses less digits than its factorization.

67394113543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34505.

The product of its digits is 816480, while the sum is 46.

The spelling of 67394113543 in words is "sixty-seven billion, three hundred ninety-four million, one hundred thirteen thousand, five hundred forty-three".