12401794009 has 4 divisors (see below), whose sum is σ = 13529229840. Its totient is φ = 11274358180.

The previous prime is 12401793941. The next prime is 12401794079. The reversal of 12401794009 is 90049710421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12401794009 - 2⁹ = 12401793497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12401794079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 563717899 + ... + 563717920.

It is an arithmetic number, because the mean of its divisors is an integer number (3382307460).

Almost surely, 2^12401794009 is an apocalyptic number.

It is an amenable number.

12401794009 is a deficient number, since it is larger than the sum of its proper divisors (1127435831).

12401794009 is a wasteful number, since it uses less digits than its factorization.

12401794009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127435830.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 12401794009 in words is "twelve billion, four hundred one million, seven hundred ninety-four thousand, nine".