12864573403 has 16 divisors (see below), whose sum is σ = 14620072320. Its totient is φ = 11216411200.

The previous prime is 12864573389. The next prime is 12864573427. The reversal of 12864573403 is 30437546821.

It is a cyclic number.

It is not a de Polignac number, because 12864573403 - 2⁹ = 12864572891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12864573403.

It is not an unprimeable number, because it can be changed into a prime (12864573433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215125 + ... + 268342.

It is an arithmetic number, because the mean of its divisors is an integer number (913754520).

Almost surely, 2^12864573403 is an apocalyptic number.

12864573403 is a deficient number, since it is larger than the sum of its proper divisors (1755498917).

12864573403 is a wasteful number, since it uses less digits than its factorization.

12864573403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483578.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 12864573403 in words is "twelve billion, eight hundred sixty-four million, five hundred seventy-three thousand, four hundred three".