420442341463 has 4 divisors (see below), whose sum is σ = 445174243920. Its totient is φ = 395710439008.

The previous prime is 420442341433. The next prime is 420442341509. The reversal of 420442341463 is 364143244024.

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 420442341463 - 2⁹ = 420442340951 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 (420442341433) 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, 12365951203 + ... + 12365951236.

It is an arithmetic number, because the mean of its divisors is an integer number (111293560980).

Almost surely, 2^420442341463 is an apocalyptic number.

420442341463 is a deficient number, since it is larger than the sum of its proper divisors (24731902457).

420442341463 is a wasteful number, since it uses less digits than its factorization.

420442341463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24731902456.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 420442341463 its reverse (364143244024), we get a palindrome (784585585487).

The spelling of 420442341463 in words is "four hundred twenty billion, four hundred forty-two million, three hundred forty-one thousand, four hundred sixty-three".