6443336084438 has 16 divisors (see below), whose sum is σ = 10577543258880. Its totient is φ = 2919371797800.

The previous prime is 6443336084399. The next prime is 6443336084453. The reversal of 6443336084438 is 8344806333446.

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, 470859578 + ... + 470873261.

It is an arithmetic number, because the mean of its divisors is an integer number (661096453680).

Almost surely, 2^{6443336084438} is an apocalyptic number.

6443336084438 is a deficient number, since it is larger than the sum of its proper divisors (4134207174442).

6443336084438 is a wasteful number, since it uses less digits than its factorization.

6443336084438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941733163.

The product of its (nonzero) digits is 47775744, while the sum is 56.

The spelling of 6443336084438 in words is "six trillion, four hundred forty-three billion, three hundred thirty-six million, eighty-four thousand, four hundred thirty-eight".