2459840321 has 4 divisors (see below), whose sum is σ = 2471498544. Its totient is φ = 2448182100.

The previous prime is 2459840287. The next prime is 2459840329. The reversal of 2459840321 is 1230489542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2459840321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2459840329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5828795 + ... + 5829216.

It is an arithmetic number, because the mean of its divisors is an integer number (617874636).

Almost surely, 2^2459840321 is an apocalyptic number.

It is an amenable number.

2459840321 is a deficient number, since it is larger than the sum of its proper divisors (11658223).

2459840321 is a wasteful number, since it uses less digits than its factorization.

2459840321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11658222.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2459840321 is about 49596.7773247416. Note that the first 3 decimals coincide. The cubic root of 2459840321 is about 1349.9022006884.

The spelling of 2459840321 in words is "two billion, four hundred fifty-nine million, eight hundred forty thousand, three hundred twenty-one".