5049695909 has 2 divisors, whose sum is σ = 5049695910. Its totient is φ = 5049695908.

The previous prime is 5049695897. The next prime is 5049695923. The reversal of 5049695909 is 9095969405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4307296900 + 742399009 = 65630^2 + 27247^2 .

It is a cyclic number.

It is not a de Polignac number, because 5049695909 - 2⁸ = 5049695653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5049695969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2524847954 + 2524847955.

It is an arithmetic number, because the mean of its divisors is an integer number (2524847955).

Almost surely, 2^5049695909 is an apocalyptic number.

It is an amenable number.

5049695909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5049695909 is an equidigital number, since it uses as much as digits as its factorization.

5049695909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3936600, while the sum is 56.

The square root of 5049695909 is about 71061.2124087396. The cubic root of 5049695909 is about 1715.6225342411.

The spelling of 5049695909 in words is "five billion, forty-nine million, six hundred ninety-five thousand, nine hundred nine".