6381443189264 has 40 divisors (see below), whose sum is σ = 14525592719232. Its totient is φ = 2677528609920.

The previous prime is 6381443189167. The next prime is 6381443189273. The reversal of 6381443189264 is 4629813441836.

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, 1394543864 + ... + 1394548439.

Almost surely, 2^{6381443189264} is an apocalyptic number.

It is an amenable number.

6381443189264 is an abundant number, since it is smaller than the sum of its proper divisors (8144149529968).

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

6381443189264 is a wasteful number, since it uses less digits than its factorization.

6381443189264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789092335 (or 2789092329 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 59.

The spelling of 6381443189264 in words is "six trillion, three hundred eighty-one billion, four hundred forty-three million, one hundred eighty-nine thousand, two hundred sixty-four".