12625064443 has 4 divisors (see below), whose sum is σ = 12643549848. Its totient is φ = 12606579040.

The previous prime is 12625064393. The next prime is 12625064447. The reversal of 12625064443 is 34446052621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34446052621 = 3307 ⋅10416103.

It is a cyclic number.

It is not a de Polignac number, because 12625064443 - 2¹³ = 12625056251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12625064447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9241678 + ... + 9243043.

It is an arithmetic number, because the mean of its divisors is an integer number (3160887462).

Almost surely, 2^12625064443 is an apocalyptic number.

12625064443 is a deficient number, since it is larger than the sum of its proper divisors (18485405).

12625064443 is an equidigital number, since it uses as much as digits as its factorization.

12625064443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485404.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 12625064443 in words is "twelve billion, six hundred twenty-five million, sixty-four thousand, four hundred forty-three".