42321341421 has 6 divisors (see below), whose sum is σ = 61130826510. Its totient is φ = 28214227608.

The previous prime is 42321341411. The next prime is 42321341459. The reversal of 42321341421 is 12414312324.

42321341421 is a `hidden beast` number, since 4 + 23 + 213 + 4 + 1 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42187106025 + 134235396 = 205395^2 + 11586^2 .

It is not a de Polignac number, because 42321341421 - 2¹¹ = 42321339373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321341411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2351185626 + ... + 2351185643.

It is an arithmetic number, because the mean of its divisors is an integer number (10188471085).

Almost surely, 2^42321341421 is an apocalyptic number.

It is an amenable number.

42321341421 is a deficient number, since it is larger than the sum of its proper divisors (18809485089).

42321341421 is a wasteful number, since it uses less digits than its factorization.

42321341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702371275 (or 4702371272 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 42321341421 its reverse (12414312324), we get a palindrome (54735653745).

The spelling of 42321341421 in words is "forty-two billion, three hundred twenty-one million, three hundred forty-one thousand, four hundred twenty-one".