4919911 has 2 divisors, whose sum is σ = 4919912. Its totient is φ = 4919910.

The previous prime is 4919903. The next prime is 4919921. The reversal of 4919911 is 1199194.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4919911 - 2³ = 4919903 is a prime.

4919911 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4919921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459955 + 2459956.

It is an arithmetic number, because the mean of its divisors is an integer number (2459956).

Almost surely, 2^4919911 is an apocalyptic number.

4919911 is a deficient number, since it is larger than the sum of its proper divisors (1).

4919911 is an equidigital number, since it uses as much as digits as its factorization.

4919911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 34.

The square root of 4919911 is about 2218.0872390418. The cubic root of 4919911 is about 170.0796743024.

The spelling of 4919911 in words is "four million, nine hundred nineteen thousand, nine hundred eleven".