12409546879 has 8 divisors (see below), whose sum is σ = 12700180080. Its totient is φ = 12122273856.

The previous prime is 12409546873. The next prime is 12409546913. The reversal of 12409546879 is 97864590421.

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 12409546879 - 2⁹ = 12409546367 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 (12409546873) 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, 832572 + ... + 847345.

It is an arithmetic number, because the mean of its divisors is an integer number (1587522510).

Almost surely, 2^12409546879 is an apocalyptic number.

12409546879 is a deficient number, since it is larger than the sum of its proper divisors (290633201).

12409546879 is an equidigital number, since it uses as much as digits as its factorization.

12409546879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680089.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 12409546879 in words is "twelve billion, four hundred nine million, five hundred forty-six thousand, eight hundred seventy-nine".