8421258382 has 8 divisors (see below), whose sum is σ = 12641468400. Its totient is φ = 4207435584.

The previous prime is 8421258361. The next prime is 8421258401. The reversal of 8421258382 is 2838521248.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593507 + ... + 1598782.

It is an arithmetic number, because the mean of its divisors is an integer number (1580183550).

Almost surely, 2^8421258382 is an apocalyptic number.

8421258382 is a deficient number, since it is larger than the sum of its proper divisors (4220210018).

8421258382 is a wasteful number, since it uses less digits than its factorization.

8421258382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193610.

The product of its digits is 245760, while the sum is 43.

The square root of 8421258382 is about 91767.4145979933. The cubic root of 8421258382 is about 2034.5061057150.

The spelling of 8421258382 in words is "eight billion, four hundred twenty-one million, two hundred fifty-eight thousand, three hundred eighty-two".