864372229443 has 12 divisors (see below), whose sum is σ = 1248622041888. Its totient is φ = 576209209680.

The previous prime is 864372229439. The next prime is 864372229451. The reversal of 864372229443 is 344922273468.

864372229443 is a `hidden beast` number, since 8 + 6 + 4 + 372 + 229 + 4 + 43 = 666.

It is not a de Polignac number, because 864372229443 - 2² = 864372229439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 864372229443.

It is not an unprimeable number, because it can be changed into a prime (864372279443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3104380 + ... + 3371337.

It is an arithmetic number, because the mean of its divisors is an integer number (104051836824).

Almost surely, 2^864372229443 is an apocalyptic number.

864372229443 is a deficient number, since it is larger than the sum of its proper divisors (384249812445).

864372229443 is a wasteful number, since it uses less digits than its factorization.

864372229443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490554 (or 6490551 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 864372229443 in words is "eight hundred sixty-four billion, three hundred seventy-two million, two hundred twenty-nine thousand, four hundred forty-three".