67534068813 has 16 divisors (see below), whose sum is σ = 90942958080. Its totient is φ = 44574170544.

The previous prime is 67534068677. The next prime is 67534068821. The reversal of 67534068813 is 31886043576.

It is not a de Polignac number, because 67534068813 - 2¹⁰ = 67534067789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67534068893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277770 + ... + 1329572.

It is an arithmetic number, because the mean of its divisors is an integer number (5683934880).

Almost surely, 2^67534068813 is an apocalyptic number.

It is an amenable number.

67534068813 is a deficient number, since it is larger than the sum of its proper divisors (23408889267).

67534068813 is a wasteful number, since it uses less digits than its factorization.

67534068813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56128.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 67534068813 in words is "sixty-seven billion, five hundred thirty-four million, sixty-eight thousand, eight hundred thirteen".