2900007909 has 12 divisors (see below), whose sum is σ = 4189430700. Its totient is φ = 1933093824.

The previous prime is 2900007881. The next prime is 2900007947. The reversal of 2900007909 is 9097000092.

It can be written as a sum of positive squares in 2 ways, for example, as 2249604900 + 650403009 = 47430^2 + 25503^2 .

It is not a de Polignac number, because 2900007909 - 2¹⁹ = 2899483621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900007949) 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 in 11 ways as a sum of consecutive naturals, for example, 81337 + ... + 111425.

It is an arithmetic number, because the mean of its divisors is an integer number (349119225).

Almost surely, 2^2900007909 is an apocalyptic number.

It is an amenable number.

2900007909 is a deficient number, since it is larger than the sum of its proper divisors (1289422791).

2900007909 is a wasteful number, since it uses less digits than its factorization.

2900007909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40804 (or 40801 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 2900007909 is about 53851.7215045165. The cubic root of 2900007909 is about 1426.0444435292.

The spelling of 2900007909 in words is "two billion, nine hundred million, seven thousand, nine hundred nine".