421450463 has 4 divisors (see below), whose sum is σ = 481657680. Its totient is φ = 361243248.

The previous prime is 421450411. The next prime is 421450481. The reversal of 421450463 is 364054124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421450463 - 2¹⁰ = 421449439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421450493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30103598 + ... + 30103611.

It is an arithmetic number, because the mean of its divisors is an integer number (120414420).

Almost surely, 2^421450463 is an apocalyptic number.

421450463 is a deficient number, since it is larger than the sum of its proper divisors (60207217).

421450463 is an equidigital number, since it uses as much as digits as its factorization.

421450463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60207216.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 421450463 is about 20529.2587055646. The cubic root of 421450463 is about 749.7483380830.

The spelling of 421450463 in words is "four hundred twenty-one million, four hundred fifty thousand, four hundred sixty-three".