2650354909 has 2 divisors, whose sum is σ = 2650354910. Its totient is φ = 2650354908.

The previous prime is 2650354907. The next prime is 2650354913. The reversal of 2650354909 is 9094530562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2138600025 + 511754884 = 46245^2 + 22622^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650354909 - 2¹ = 2650354907 is a prime.

It is a super-2 number, since 2×2650354909² = 14048762287320796562, which contains 22 as substring.

Together with 2650354907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2650354907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325177454 + 1325177455.

It is an arithmetic number, because the mean of its divisors is an integer number (1325177455).

Almost surely, 2^2650354909 is an apocalyptic number.

It is an amenable number.

2650354909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650354909 is an equidigital number, since it uses as much as digits as its factorization.

2650354909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 2650354909 is about 51481.5977704655. The cubic root of 2650354909 is about 1383.8892786019.

The spelling of 2650354909 in words is "two billion, six hundred fifty million, three hundred fifty-four thousand, nine hundred nine".