6496193991 has 16 divisors (see below), whose sum is σ = 10329352704. Its totient is φ = 3550714464.

The previous prime is 6496193929. The next prime is 6496194011. The reversal of 6496193991 is 1993916946.

It is not a de Polignac number, because 6496193991 - 2⁹ = 6496193479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6496193491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6724356 + ... + 6725321.

It is an arithmetic number, because the mean of its divisors is an integer number (645584544).

Almost surely, 2^6496193991 is an apocalyptic number.

6496193991 is a deficient number, since it is larger than the sum of its proper divisors (3833158713).

6496193991 is a wasteful number, since it uses less digits than its factorization.

6496193991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449710.

The product of its digits is 2834352, while the sum is 57.

The square root of 6496193991 is about 80598.9701609146. The cubic root of 6496193991 is about 1865.8912516220.

The spelling of 6496193991 in words is "six billion, four hundred ninety-six million, one hundred ninety-three thousand, nine hundred ninety-one".