2421789938 has 8 divisors (see below), whose sum is σ = 3633052800. Its totient is φ = 1210772340.

The previous prime is 2421789901. The next prime is 2421789943. The reversal of 2421789938 is 8399871242.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2421789938.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34238 + ... + 77561.

It is an arithmetic number, because the mean of its divisors is an integer number (454131600).

Almost surely, 2^2421789938 is an apocalyptic number.

2421789938 is a deficient number, since it is larger than the sum of its proper divisors (1211262862).

2421789938 is a wasteful number, since it uses less digits than its factorization.

2421789938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122632.

The product of its digits is 1741824, while the sum is 53.

The square root of 2421789938 is about 49211.6849742010. The cubic root of 2421789938 is about 1342.9056163569.

The spelling of 2421789938 in words is "two billion, four hundred twenty-one million, seven hundred eighty-nine thousand, nine hundred thirty-eight".