12421448539 has 8 divisors (see below), whose sum is σ = 12584800800. Its totient is φ = 12258888000.

The previous prime is 12421448513. The next prime is 12421448551. The reversal of 12421448539 is 93584412421.

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 12421448539 - 2⁷ = 12421448411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12421448495 and 12421448504.

It is not an unprimeable number, because it can be changed into a prime (12421418539) 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, 166314 + ... + 229135.

It is an arithmetic number, because the mean of its divisors is an integer number (1573100100).

Almost surely, 2^12421448539 is an apocalyptic number.

12421448539 is a deficient number, since it is larger than the sum of its proper divisors (163352261).

12421448539 is a wasteful number, since it uses less digits than its factorization.

12421448539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395861.

The product of its digits is 276480, while the sum is 43.

The spelling of 12421448539 in words is "twelve billion, four hundred twenty-one million, four hundred forty-eight thousand, five hundred thirty-nine".