421503413488 has 20 divisors (see below), whose sum is σ = 819768053808. Its totient is φ = 209950367360.

The previous prime is 421503413459. The next prime is 421503413503. The reversal of 421503413488 is 884314305124.

It is a super-2 number, since 2×421503413488² (a number of 24 digits) contains 22 as substring.

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, 50079373 + ... + 50087788.

Almost surely, 2^421503413488 is an apocalyptic number.

It is an amenable number.

421503413488 is a deficient number, since it is larger than the sum of its proper divisors (398264640320).

421503413488 is a wasteful number, since it uses less digits than its factorization.

421503413488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100167432 (or 100167426 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 421503413488 in words is "four hundred twenty-one billion, five hundred three million, four hundred thirteen thousand, four hundred eighty-eight".