421005464303 has 8 divisors (see below), whose sum is σ = 428031044736. Its totient is φ = 413983879200.

The previous prime is 421005464239. The next prime is 421005464339. The reversal of 421005464303 is 303464500124.

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

It is a cyclic number.

It is not a de Polignac number, because 421005464303 - 2⁶ = 421005464239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421005464303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421005464393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 785951 + ... + 1208192.

It is an arithmetic number, because the mean of its divisors is an integer number (53503880592).

Almost surely, 2^421005464303 is an apocalyptic number.

421005464303 is a deficient number, since it is larger than the sum of its proper divisors (7025580433).

421005464303 is a wasteful number, since it uses less digits than its factorization.

421005464303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997665.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 421005464303 its reverse (303464500124), we get a palindrome (724469964427).

The spelling of 421005464303 in words is "four hundred twenty-one billion, five million, four hundred sixty-four thousand, three hundred three".