421323008648 has 64 divisors (see below), whose sum is σ = 848822457600. Its totient is φ = 195458849280.

The previous prime is 421323008633. The next prime is 421323008669. The reversal of 421323008648 is 846800323124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2062865 + ... + 2257887.

It is an arithmetic number, because the mean of its divisors is an integer number (13262850900).

Almost surely, 2^421323008648 is an apocalyptic number.

It is an amenable number.

421323008648 is an abundant number, since it is smaller than the sum of its proper divisors (427499448952).

421323008648 is a wasteful number, since it uses less digits than its factorization.

421323008648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195342 (or 195338 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 421323008648 in words is "four hundred twenty-one billion, three hundred twenty-three million, eight thousand, six hundred forty-eight".