421420652361 has 12 divisors (see below), whose sum is σ = 617804074992. Its totient is φ = 276753860856.

The previous prime is 421420652351. The next prime is 421420652399. The reversal of 421420652361 is 163256024124.

421420652361 is a `hidden beast` number, since 4 + 214 + 20 + 65 + 2 + 361 = 666.

It is not a de Polignac number, because 421420652361 - 2¹⁵ = 421420619593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421420652351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349436091 + ... + 349437296.

It is an arithmetic number, because the mean of its divisors is an integer number (51483672916).

Almost surely, 2^421420652361 is an apocalyptic number.

It is an amenable number.

421420652361 is a deficient number, since it is larger than the sum of its proper divisors (196383422631).

421420652361 is a wasteful number, since it uses less digits than its factorization.

421420652361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698873460 (or 698873457 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 421420652361 its reverse (163256024124), we get a palindrome (584676676485).

The spelling of 421420652361 in words is "four hundred twenty-one billion, four hundred twenty million, six hundred fifty-two thousand, three hundred sixty-one".