42210420013 has 2 divisors, whose sum is σ = 42210420014. Its totient is φ = 42210420012.

The previous prime is 42210419929. The next prime is 42210420037. The reversal of 42210420013 is 31002401224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39912847524 + 2297572489 = 199782^2 + 47933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42210420013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42210520013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21105210006 + 21105210007.

It is an arithmetic number, because the mean of its divisors is an integer number (21105210007).

Almost surely, 2^42210420013 is an apocalyptic number.

It is an amenable number.

42210420013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42210420013 is an equidigital number, since it uses as much as digits as its factorization.

42210420013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 42210420013 its reverse (31002401224), we get a palindrome (73212821237).

The spelling of 42210420013 in words is "forty-two billion, two hundred ten million, four hundred twenty thousand, thirteen".