421341463 has 4 divisors (see below), whose sum is σ = 421404840. Its totient is φ = 421278088.

The previous prime is 421341421. The next prime is 421341499. The reversal of 421341463 is 364143124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421341463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421341763) 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, 20368 + ... + 35461.

It is an arithmetic number, because the mean of its divisors is an integer number (105351210).

Almost surely, 2^421341463 is an apocalyptic number.

421341463 is a deficient number, since it is larger than the sum of its proper divisors (63377).

421341463 is an equidigital number, since it uses as much as digits as its factorization.

421341463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63376.

The product of its digits is 6912, while the sum is 28.

The square root of 421341463 is about 20526.6037863062. The cubic root of 421341463 is about 749.6836965475.

Adding to 421341463 its reverse (364143124), we get a palindrome (785484587).

The spelling of 421341463 in words is "four hundred twenty-one million, three hundred forty-one thousand, four hundred sixty-three".