6391497896 has 16 divisors (see below), whose sum is σ = 13696067040. Its totient is φ = 2739213360.

The previous prime is 6391497863. The next prime is 6391497901. The reversal of 6391497896 is 6987941936.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57066890 + ... + 57067001.

It is an arithmetic number, because the mean of its divisors is an integer number (856004190).

Almost surely, 2^6391497896 is an apocalyptic number.

It is an amenable number.

6391497896 is an abundant number, since it is smaller than the sum of its proper divisors (7304569144).

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

6391497896 is a wasteful number, since it uses less digits than its factorization.

6391497896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114133904 (or 114133900 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 62.

The square root of 6391497896 is about 79946.8441903744. The cubic root of 6391497896 is about 1855.8130176338.

The spelling of 6391497896 in words is "six billion, three hundred ninety-one million, four hundred ninety-seven thousand, eight hundred ninety-six".