4919143 has 2 divisors, whose sum is σ = 4919144. Its totient is φ = 4919142.

The previous prime is 4919107. The next prime is 4919147. The reversal of 4919143 is 3419194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4919143 - 2⁹ = 4918631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4919147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459571 + 2459572.

It is an arithmetic number, because the mean of its divisors is an integer number (2459572).

Almost surely, 2^4919143 is an apocalyptic number.

4919143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4919143 is an equidigital number, since it uses as much as digits as its factorization.

4919143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 4919143 is about 2217.9141101494. The cubic root of 4919143 is about 170.0708240077.

The spelling of 4919143 in words is "four million, nine hundred nineteen thousand, one hundred forty-three".