67534038813 has 8 divisors (see below), whose sum is σ = 90272201248. Its totient is φ = 44909284464.

The previous prime is 67534038701. The next prime is 67534038827. The reversal of 67534038813 is 31883043576.

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

It is not a de Polignac number, because 67534038813 - 2¹⁰ = 67534037789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67534038853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28350631 + ... + 28353012.

It is an arithmetic number, because the mean of its divisors is an integer number (11284025156).

Almost surely, 2^67534038813 is an apocalyptic number.

It is an amenable number.

67534038813 is a deficient number, since it is larger than the sum of its proper divisors (22738162435).

67534038813 is a wasteful number, since it uses less digits than its factorization.

67534038813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56704043.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 67534038813 in words is "sixty-seven billion, five hundred thirty-four million, thirty-eight thousand, eight hundred thirteen".