12345419009 has 16 divisors (see below), whose sum is σ = 15426478080. Its totient is φ = 9598065360.

The previous prime is 12345419003. The next prime is 12345419029. The reversal of 12345419009 is 90091454321.

It is a cyclic number.

It is not a de Polignac number, because 12345419009 - 2⁴ = 12345418993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345419003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146849 + ... + 215070.

It is an arithmetic number, because the mean of its divisors is an integer number (964154880).

Almost surely, 2^12345419009 is an apocalyptic number.

It is an amenable number.

12345419009 is a deficient number, since it is larger than the sum of its proper divisors (3081059071).

12345419009 is a wasteful number, since it uses less digits than its factorization.

12345419009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362380.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 12345419009 in words is "twelve billion, three hundred forty-five million, four hundred nineteen thousand, nine".