42243251207 has 2 divisors, whose sum is σ = 42243251208. Its totient is φ = 42243251206.

The previous prime is 42243251191. The next prime is 42243251291. The reversal of 42243251207 is 70215234224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42243251207 - 2⁴ = 42243251191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42243251107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121625603 + 21121625604.

It is an arithmetic number, because the mean of its divisors is an integer number (21121625604).

Almost surely, 2^42243251207 is an apocalyptic number.

42243251207 is a deficient number, since it is larger than the sum of its proper divisors (1).

42243251207 is an equidigital number, since it uses as much as digits as its factorization.

42243251207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 42243251207 in words is "forty-two billion, two hundred forty-three million, two hundred fifty-one thousand, two hundred seven".