6391151336 has 16 divisors (see below), whose sum is σ = 12152190240. Its totient is φ = 3150567280.

The previous prime is 6391151329. The next prime is 6391151401. The reversal of 6391151336 is 6331511936.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6391151336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5625446 + ... + 5626581.

It is an arithmetic number, because the mean of its divisors is an integer number (759511890).

Almost surely, 2^6391151336 is an apocalyptic number.

It is an amenable number.

6391151336 is a deficient number, since it is larger than the sum of its proper divisors (5761038904).

6391151336 is a wasteful number, since it uses less digits than its factorization.

6391151336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252104 (or 11252100 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 6391151336 is about 79944.6767208424. The cubic root of 6391151336 is about 1855.7794750437.

The spelling of 6391151336 in words is "six billion, three hundred ninety-one million, one hundred fifty-one thousand, three hundred thirty-six".