210420424007 has 2 divisors, whose sum is σ = 210420424008. Its totient is φ = 210420424006.

The previous prime is 210420423947. The next prime is 210420424037. The reversal of 210420424007 is 700424024012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210420424007 - 2²⁶ = 210353315143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210420424037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105210212003 + 105210212004.

It is an arithmetic number, because the mean of its divisors is an integer number (105210212004).

Almost surely, 2^210420424007 is an apocalyptic number.

210420424007 is a deficient number, since it is larger than the sum of its proper divisors (1).

210420424007 is an equidigital number, since it uses as much as digits as its factorization.

210420424007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 26.

Adding to 210420424007 its reverse (700424024012), we get a palindrome (910844448019).

The spelling of 210420424007 in words is "two hundred ten billion, four hundred twenty million, four hundred twenty-four thousand, seven".