5005994209 has 2 divisors, whose sum is σ = 5005994210. Its totient is φ = 5005994208.

The previous prime is 5005994099. The next prime is 5005994221. The reversal of 5005994209 is 9024995005.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4890904225 + 115089984 = 69935^2 + 10728^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005994209 - 2⁹ = 5005993697 is a prime.

It is not a weakly prime, because it can be changed into another prime (5005994249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502997104 + 2502997105.

It is an arithmetic number, because the mean of its divisors is an integer number (2502997105).

Almost surely, 2^5005994209 is an apocalyptic number.

It is an amenable number.

5005994209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005994209 is an equidigital number, since it uses as much as digits as its factorization.

5005994209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 5005994209 is about 70753.0508812164. The cubic root of 5005994209 is about 1710.6590040041.

The spelling of 5005994209 in words is "five billion, five million, nine hundred ninety-four thousand, two hundred nine".