12409216959 has 8 divisors (see below), whose sum is σ = 16574601472. Its totient is φ = 8258321880.

The previous prime is 12409216921. The next prime is 12409216969. The reversal of 12409216959 is 95961290421.

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

It is not a de Polignac number, because 12409216959 - 2²⁴ = 12392439743 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 (12409216969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620359 + ... + 3623784.

It is an arithmetic number, because the mean of its divisors is an integer number (2071825184).

Almost surely, 2^12409216959 is an apocalyptic number.

12409216959 is a deficient number, since it is larger than the sum of its proper divisors (4165384513).

12409216959 is an equidigital number, since it uses as much as digits as its factorization.

12409216959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244717.

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 12409216959 in words is "twelve billion, four hundred nine million, two hundred sixteen thousand, nine hundred fifty-nine".