6491043192 has 32 divisors (see below), whose sum is σ = 16256465280. Its totient is φ = 2159833440.

The previous prime is 6491043133. The next prime is 6491043193. The reversal of 6491043192 is 2913401946.

It is a self number, because there is not a number n which added to its sum of digits gives 6491043192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491043193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226684 + ... + 253707.

It is an arithmetic number, because the mean of its divisors is an integer number (508014540).

Almost surely, 2^6491043192 is an apocalyptic number.

It is an amenable number.

6491043192 is an abundant number, since it is smaller than the sum of its proper divisors (9765422088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6491043192 is a wasteful number, since it uses less digits than its factorization.

6491043192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480963 (or 480959 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6491043192 is about 80567.0105688426. The cubic root of 6491043192 is about 1865.3979693477.

The spelling of 6491043192 in words is "six billion, four hundred ninety-one million, forty-three thousand, one hundred ninety-two".