5909949109 has 2 divisors, whose sum is σ = 5909949110. Its totient is φ = 5909949108.

The previous prime is 5909949103. The next prime is 5909949119. The reversal of 5909949109 is 9019499095.

5909949109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4395027025 + 1514922084 = 66295^2 + 38922^2 .

It is a cyclic number.

It is not a de Polignac number, because 5909949109 - 2⁷ = 5909948981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5909949109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5909949103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2954974554 + 2954974555.

It is an arithmetic number, because the mean of its divisors is an integer number (2954974555).

Almost surely, 2^5909949109 is an apocalyptic number.

It is an amenable number.

5909949109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5909949109 is an equidigital number, since it uses as much as digits as its factorization.

5909949109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The square root of 5909949109 is about 76876.1933826071. The cubic root of 5909949109 is about 1807.9839899131.

The spelling of 5909949109 in words is "five billion, nine hundred nine million, nine hundred forty-nine thousand, one hundred nine".