210420424037 has 2 divisors, whose sum is σ = 210420424038. Its totient is φ = 210420424036.

The previous prime is 210420424007. The next prime is 210420424069. The reversal of 210420424037 is 730424024012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131624565601 + 78795858436 = 362801^2 + 280706^2 .

It is a cyclic number.

It is not a de Polignac number, because 210420424037 - 2⁸ = 210420423781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210420424007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105210212018 + 105210212019.

It is an arithmetic number, because the mean of its divisors is an integer number (105210212019).

Almost surely, 2^210420424037 is an apocalyptic number.

It is an amenable number.

210420424037 is a deficient number, since it is larger than the sum of its proper divisors (1).

210420424037 is an equidigital number, since it uses as much as digits as its factorization.

210420424037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 210420424037 its reverse (730424024012), we get a palindrome (940844448049).

The spelling of 210420424037 in words is "two hundred ten billion, four hundred twenty million, four hundred twenty-four thousand, thirty-seven".