42244002187 has 2 divisors, whose sum is σ = 42244002188. Its totient is φ = 42244002186.

The previous prime is 42244002167. The next prime is 42244002263. The reversal of 42244002187 is 78120044224.

42244002187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42244002187 - 2³⁵ = 7884263819 is a prime.

It is not a weakly prime, because it can be changed into another prime (42244002167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21122001093 + 21122001094.

It is an arithmetic number, because the mean of its divisors is an integer number (21122001094).

Almost surely, 2^42244002187 is an apocalyptic number.

42244002187 is a deficient number, since it is larger than the sum of its proper divisors (1).

42244002187 is an equidigital number, since it uses as much as digits as its factorization.

42244002187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 34.

The spelling of 42244002187 in words is "forty-two billion, two hundred forty-four million, two thousand, one hundred eighty-seven".