67541781326383 has 24 divisors (see below), whose sum is σ = 83595021766656. Its totient is φ = 53433304797600.

The previous prime is 67541781326377. The next prime is 67541781326419. The reversal of 67541781326383 is 38362318714576.

It is not a de Polignac number, because 67541781326383 - 2⁹ = 67541781325871 is a prime.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67541781326303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6587938 + ... + 13359808.

It is an arithmetic number, because the mean of its divisors is an integer number (3483125906944).

Almost surely, 2^{67541781326383} is an apocalyptic number.

67541781326383 is a deficient number, since it is larger than the sum of its proper divisors (16053240440273).

67541781326383 is a wasteful number, since it uses less digits than its factorization.

67541781326383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780335 (or 6780322 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 64.

The spelling of 67541781326383 in words is "sixty-seven trillion, five hundred forty-one billion, seven hundred eighty-one million, three hundred twenty-six thousand, three hundred eighty-three".