6423334646 has 16 divisors (see below), whose sum is σ = 9695456784. Its totient is φ = 3191534304.

The previous prime is 6423334573. The next prime is 6423334651. The reversal of 6423334646 is 6464333246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058156 + ... + 1064208.

It is an arithmetic number, because the mean of its divisors is an integer number (605966049).

Almost surely, 2^6423334646 is an apocalyptic number.

6423334646 is a deficient number, since it is larger than the sum of its proper divisors (3272122138).

6423334646 is a wasteful number, since it uses less digits than its factorization.

6423334646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295.

The product of its digits is 746496, while the sum is 41.

The square root of 6423334646 is about 80145.7088433311. The cubic root of 6423334646 is about 1858.8892514526.

The spelling of 6423334646 in words is "six billion, four hundred twenty-three million, three hundred thirty-four thousand, six hundred forty-six".