2409287421 has 8 divisors (see below), whose sum is σ = 3352052160. Its totient is φ = 1536357152.

The previous prime is 2409287341. The next prime is 2409287423. The reversal of 2409287421 is 1247829042.

It is a happy number.

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 2409287421 - 2¹⁷ = 2409156349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2409287421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409287423) 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, 17458536 + ... + 17458673.

It is an arithmetic number, because the mean of its divisors is an integer number (419006520).

Almost surely, 2^2409287421 is an apocalyptic number.

It is an amenable number.

2409287421 is a deficient number, since it is larger than the sum of its proper divisors (942764739).

2409287421 is a wasteful number, since it uses less digits than its factorization.

2409287421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34917235.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2409287421 is about 49084.4926733485. The cubic root of 2409287421 is about 1340.5907065564.

The spelling of 2409287421 in words is "two billion, four hundred nine million, two hundred eighty-seven thousand, four hundred twenty-one".