2421718842 has 8 divisors (see below), whose sum is σ = 4843437696. Its totient is φ = 807239612.

The previous prime is 2421718841. The next prime is 2421718847. The reversal of 2421718842 is 2488171242.

2421718842 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

2421718842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421718842.

It is not an unprimeable number, because it can be changed into a prime (2421718841) 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, 201809898 + ... + 201809909.

It is an arithmetic number, because the mean of its divisors is an integer number (605429712).

Almost surely, 2^2421718842 is an apocalyptic number.

2421718842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421718842 is a wasteful number, since it uses less digits than its factorization.

2421718842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403619812.

The product of its digits is 57344, while the sum is 39.

The square root of 2421718842 is about 49210.9626201317. The cubic root of 2421718842 is about 1342.8924750916.

The spelling of 2421718842 in words is "two billion, four hundred twenty-one million, seven hundred eighteen thousand, eight hundred forty-two".