4639939211 has 2 divisors, whose sum is σ = 4639939212. Its totient is φ = 4639939210.

The previous prime is 4639939151. The next prime is 4639939259. The reversal of 4639939211 is 1129399364.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4639939211 - 2¹⁴ = 4639922827 is a prime.

It is not a weakly prime, because it can be changed into another prime (4639939511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319969605 + 2319969606.

It is an arithmetic number, because the mean of its divisors is an integer number (2319969606).

Almost surely, 2^4639939211 is an apocalyptic number.

4639939211 is a deficient number, since it is larger than the sum of its proper divisors (1).

4639939211 is an equidigital number, since it uses as much as digits as its factorization.

4639939211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 47.

The square root of 4639939211 is about 68117.0992556201. The cubic root of 4639939211 is about 1667.9028992418.

The spelling of 4639939211 in words is "four billion, six hundred thirty-nine million, nine hundred thirty-nine thousand, two hundred eleven".