12790445909 has 8 divisors (see below), whose sum is σ = 13064700288. Its totient is φ = 12516279840.

The previous prime is 12790445887. The next prime is 12790445929. The reversal of 12790445909 is 90954409721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12790445909 - 2²⁰ = 12789397333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790445929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330254 + ... + 366944.

It is an arithmetic number, because the mean of its divisors is an integer number (1633087536).

Almost surely, 2^12790445909 is an apocalyptic number.

It is an amenable number.

12790445909 is a deficient number, since it is larger than the sum of its proper divisors (274254379).

12790445909 is an equidigital number, since it uses as much as digits as its factorization.

12790445909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44155.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 12790445909 in words is "twelve billion, seven hundred ninety million, four hundred forty-five thousand, nine hundred nine".