4146442187 has 2 divisors, whose sum is σ = 4146442188. Its totient is φ = 4146442186.

The previous prime is 4146442133. The next prime is 4146442189. The reversal of 4146442187 is 7812446414.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4146442187 - 2³⁰ = 3072700363 is a prime.

Together with 4146442189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4146442189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073221093 + 2073221094.

It is an arithmetic number, because the mean of its divisors is an integer number (2073221094).

Almost surely, 2^4146442187 is an apocalyptic number.

4146442187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4146442187 is an equidigital number, since it uses as much as digits as its factorization.

4146442187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 41.

The square root of 4146442187 is about 64392.8737283871. The cubic root of 4146442187 is about 1606.5412144767.

The spelling of 4146442187 in words is "four billion, one hundred forty-six million, four hundred forty-two thousand, one hundred eighty-seven".