6386944945594 has 16 divisors (see below), whose sum is σ = 9590292931968. Its totient is φ = 3190182175872.

The previous prime is 6386944945559. The next prime is 6386944945643. The reversal of 6386944945594 is 4955494496836.

It is a self number, because there is not a number n which added to its sum of digits gives 6386944945594.

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, 7953034 + ... + 8719210.

It is an arithmetic number, because the mean of its divisors is an integer number (599393308248).

Almost surely, 2^{6386944945594} is an apocalyptic number.

6386944945594 is a deficient number, since it is larger than the sum of its proper divisors (3203347986374).

6386944945594 is a wasteful number, since it uses less digits than its factorization.

6386944945594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770469.

The product of its digits is 4031078400, while the sum is 76.

The spelling of 6386944945594 in words is "six trillion, three hundred eighty-six billion, nine hundred forty-four million, nine hundred forty-five thousand, five hundred ninety-four".