12406467409 has 16 divisors (see below), whose sum is σ = 14733573120. Its totient is φ = 10221341760.

The previous prime is 12406467331. The next prime is 12406467419. The reversal of 12406467409 is 90476460421.

It is not a de Polignac number, because 12406467409 - 2¹¹ = 12406465361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12406467419) 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, 91762 + ... + 182299.

It is an arithmetic number, because the mean of its divisors is an integer number (920848320).

Almost surely, 2^12406467409 is an apocalyptic number.

It is an amenable number.

12406467409 is a deficient number, since it is larger than the sum of its proper divisors (2327105711).

12406467409 is a wasteful number, since it uses less digits than its factorization.

12406467409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274320.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 12406467409 in words is "twelve billion, four hundred six million, four hundred sixty-seven thousand, four hundred nine".