42301422421 has 2 divisors, whose sum is σ = 42301422422. Its totient is φ = 42301422420.

The previous prime is 42301422389. The next prime is 42301422461. The reversal of 42301422421 is 12422410324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33830244900 + 8471177521 = 183930^2 + 92039^2 .

It is a cyclic number.

It is not a de Polignac number, because 42301422421 - 2⁵ = 42301422389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42301422461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150711210 + 21150711211.

It is an arithmetic number, because the mean of its divisors is an integer number (21150711211).

Almost surely, 2^42301422421 is an apocalyptic number.

It is an amenable number.

42301422421 is a deficient number, since it is larger than the sum of its proper divisors (1).

42301422421 is an equidigital number, since it uses as much as digits as its factorization.

42301422421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42301422421 its reverse (12422410324), we get a palindrome (54723832745).

The spelling of 42301422421 in words is "forty-two billion, three hundred one million, four hundred twenty-two thousand, four hundred twenty-one".