6729191672991 has 8 divisors (see below), whose sum is σ = 9444479541120. Its totient is φ = 4250015793432.

The previous prime is 6729191672989. The next prime is 6729191673089. The reversal of 6729191672991 is 1992761919276.

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

It is not a de Polignac number, because 6729191672991 - 2¹ = 6729191672989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729191672491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59027997075 + ... + 59027997188.

It is an arithmetic number, because the mean of its divisors is an integer number (1180559942640).

Almost surely, 2^{6729191672991} is an apocalyptic number.

6729191672991 is a deficient number, since it is larger than the sum of its proper divisors (2715287868129).

6729191672991 is a wasteful number, since it uses less digits than its factorization.

6729191672991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118055994285.

The product of its digits is 46294416, while the sum is 69.

The spelling of 6729191672991 in words is "six trillion, seven hundred twenty-nine billion, one hundred ninety-one million, six hundred seventy-two thousand, nine hundred ninety-one".