6326243646 has 16 divisors (see below), whose sum is σ = 12994446864. Its totient is φ = 2051754624.

The previous prime is 6326243557. The next prime is 6326243653. The reversal of 6326243646 is 6463426236.

It is a junction number, because it is equal to n+sod(n) for n = 6326243598 and 6326243607.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14248075 + ... + 14248518.

It is an arithmetic number, because the mean of its divisors is an integer number (812152929).

Almost surely, 2^6326243646 is an apocalyptic number.

6326243646 is an abundant number, since it is smaller than the sum of its proper divisors (6668203218).

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

6326243646 is a wasteful number, since it uses less digits than its factorization.

6326243646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28496635.

The product of its digits is 746496, while the sum is 42.

The square root of 6326243646 is about 79537.6869540471. The cubic root of 6326243646 is about 1849.4757361297.

The spelling of 6326243646 in words is "six billion, three hundred twenty-six million, two hundred forty-three thousand, six hundred forty-six".