421783387124 has 12 divisors (see below), whose sum is σ = 805222830048. Its totient is φ = 191719721400.

The previous prime is 421783387079. The next prime is 421783387159.

421783387124 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4792992992 + ... + 4792993079.

It is an arithmetic number, because the mean of its divisors is an integer number (67101902504).

Almost surely, 2^421783387124 is an apocalyptic number.

421783387124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421783387124 is a deficient number, since it is larger than the sum of its proper divisors (383439442924).

421783387124 is a wasteful number, since it uses less digits than its factorization.

421783387124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585986086 (or 9585986084 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The spelling of 421783387124 in words is "four hundred twenty-one billion, seven hundred eighty-three million, three hundred eighty-seven thousand, one hundred twenty-four".