421214511331463 has 4 divisors (see below), whose sum is σ = 421587597702240. Its totient is φ = 420841424960688.

The previous prime is 421214511331433. The next prime is 421214511331469. The reversal of 421214511331463 is 364133115412124.

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 421214511331463 - 2¹⁶ = 421214511265927 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 421214511331463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421214511331469) 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, 186543183695 + ... + 186543185952.

It is an arithmetic number, because the mean of its divisors is an integer number (105396899425560).

Almost surely, 2^{421214511331463} is an apocalyptic number.

421214511331463 is a deficient number, since it is larger than the sum of its proper divisors (373086370777).

421214511331463 is a wasteful number, since it uses less digits than its factorization.

421214511331463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373086370776.

The product of its digits is 207360, while the sum is 41.

Adding to 421214511331463 its reverse (364133115412124), we get a palindrome (785347626743587).

The spelling of 421214511331463 in words is "four hundred twenty-one trillion, two hundred fourteen billion, five hundred eleven million, three hundred thirty-one thousand, four hundred sixty-three".