12593964321 has 10 divisors (see below), whose sum is σ = 18813206082. Its totient is φ = 8395976160.

The previous prime is 12593964311. The next prime is 12593964323. The reversal of 12593964321 is 12346939521.

12593964321 is a `hidden beast` number, since 1 + 259 + 396 + 4 + 3 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12575379600 + 18584721 = 112140^2 + 4311^2 .

It is not a de Polignac number, because 12593964321 - 2⁷ = 12593964193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12593964323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 77740440 + ... + 77740601.

Almost surely, 2^12593964321 is an apocalyptic number.

It is an amenable number.

12593964321 is a deficient number, since it is larger than the sum of its proper divisors (6219241761).

12593964321 is an equidigital number, since it uses as much as digits as its factorization.

12593964321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155481053 (or 155481044 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 12593964321 in words is "twelve billion, five hundred ninety-three million, nine hundred sixty-four thousand, three hundred twenty-one".