2650994609 has 2 divisors, whose sum is σ = 2650994610. Its totient is φ = 2650994608.

The previous prime is 2650994587. The next prime is 2650994639. The reversal of 2650994609 is 9064990562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364194225 + 1286800384 = 36935^2 + 35872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2650994609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2650994639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325497304 + 1325497305.

It is an arithmetic number, because the mean of its divisors is an integer number (1325497305).

Almost surely, 2^2650994609 is an apocalyptic number.

It is an amenable number.

2650994609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650994609 is an equidigital number, since it uses as much as digits as its factorization.

2650994609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 2650994609 is about 51487.8102952534. The cubic root of 2650994609 is about 1384.0006099502. Note that the first 3 decimals are identical.

The spelling of 2650994609 in words is "two billion, six hundred fifty million, nine hundred ninety-four thousand, six hundred nine".