4999922209 has 2 divisors, whose sum is σ = 4999922210. Its totient is φ = 4999922208.

The previous prime is 4999922201. The next prime is 4999922237. The reversal of 4999922209 is 9022299994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4647421584 + 352500625 = 68172^2 + 18775^2 .

It is a cyclic number.

It is not a de Polignac number, because 4999922209 - 2³ = 4999922201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4999922209.

It is not a weakly prime, because it can be changed into another prime (4999922201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499961104 + 2499961105.

It is an arithmetic number, because the mean of its divisors is an integer number (2499961105).

Almost surely, 2^4999922209 is an apocalyptic number.

It is an amenable number.

4999922209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999922209 is an equidigital number, since it uses as much as digits as its factorization.

4999922209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 4999922209 is about 70710.1280510791. The cubic root of 4999922209 is about 1709.9670785814.

The spelling of 4999922209 in words is "four billion, nine hundred ninety-nine million, nine hundred twenty-two thousand, two hundred nine".