12394428695 has 24 divisors (see below), whose sum is σ = 16498426560. Its totient is φ = 8931384000.

The previous prime is 12394428679. The next prime is 12394428713. The reversal of 12394428695 is 59682449321.

It is not a de Polignac number, because 12394428695 - 2⁴ = 12394428679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28031 + ... + 159920.

It is an arithmetic number, because the mean of its divisors is an integer number (687434440).

Almost surely, 2^12394428695 is an apocalyptic number.

12394428695 is a deficient number, since it is larger than the sum of its proper divisors (4103997865).

12394428695 is a wasteful number, since it uses less digits than its factorization.

12394428695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188087 (or 188076 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 53.

The spelling of 12394428695 in words is "twelve billion, three hundred ninety-four million, four hundred twenty-eight thousand, six hundred ninety-five".