421260305271 has 16 divisors (see below), whose sum is σ = 606252049536. Its totient is φ = 258651914976.

The previous prime is 421260305261. The next prime is 421260305311. The reversal of 421260305271 is 172503062124.

It is not a de Polignac number, because 421260305271 - 2¹¹ = 421260303223 is a prime.

It is a super-2 number, since 2×421260305271² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421260305261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12174085 + ... + 12208638.

It is an arithmetic number, because the mean of its divisors is an integer number (37890753096).

Almost surely, 2^421260305271 is an apocalyptic number.

421260305271 is a deficient number, since it is larger than the sum of its proper divisors (184991744265).

421260305271 is a wasteful number, since it uses less digits than its factorization.

421260305271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24383182.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 421260305271 its reverse (172503062124), we get a palindrome (593763367395).

The spelling of 421260305271 in words is "four hundred twenty-one billion, two hundred sixty million, three hundred five thousand, two hundred seventy-one".