421355999476 has 48 divisors (see below), whose sum is σ = 803523720384. Its totient is φ = 192554159616.

The previous prime is 421355999453. The next prime is 421355999483. The reversal of 421355999476 is 674999553124.

It is a congruent number.

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, 89371 + ... + 922333.

It is an arithmetic number, because the mean of its divisors is an integer number (16740077508).

Almost surely, 2^421355999476 is an apocalyptic number.

It is an amenable number.

421355999476 is a deficient number, since it is larger than the sum of its proper divisors (382167720908).

421355999476 is a wasteful number, since it uses less digits than its factorization.

421355999476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833200 (or 833198 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 64.

The spelling of 421355999476 in words is "four hundred twenty-one billion, three hundred fifty-five million, nine hundred ninety-nine thousand, four hundred seventy-six".