6482643638 has 8 divisors (see below), whose sum is σ = 9746117040. Its totient is φ = 3233937960.

The previous prime is 6482643631. The next prime is 6482643653. The reversal of 6482643638 is 8363462846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6482643631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690833 + ... + 3692588.

It is an arithmetic number, because the mean of its divisors is an integer number (1218264630).

Almost surely, 2^6482643638 is an apocalyptic number.

6482643638 is a deficient number, since it is larger than the sum of its proper divisors (3263473402).

6482643638 is a wasteful number, since it uses less digits than its factorization.

6482643638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383862.

The product of its digits is 3981312, while the sum is 50.

The square root of 6482643638 is about 80514.8659441224. The cubic root of 6482643638 is about 1864.5929999028.

The spelling of 6482643638 in words is "six billion, four hundred eighty-two million, six hundred forty-three thousand, six hundred thirty-eight".