6442003036646 has 8 divisors (see below), whose sum is σ = 9663077792784. Its totient is φ = 3220977105720.

The previous prime is 6442003036631. The next prime is 6442003036757. The reversal of 6442003036646 is 6466303002446.

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

It is a junction number, because it is equal to n+sod(n) for n = 6442003036597 and 6442003036606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11874650 + ... + 12405293.

It is an arithmetic number, because the mean of its divisors is an integer number (1207884724098).

Almost surely, 2^{6442003036646} is an apocalyptic number.

6442003036646 is a deficient number, since it is larger than the sum of its proper divisors (3221074756138).

6442003036646 is a wasteful number, since it uses less digits than its factorization.

6442003036646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24412606.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 6442003036646 in words is "six trillion, four hundred forty-two billion, three million, thirty-six thousand, six hundred forty-six".