2050648709 has 2 divisors, whose sum is σ = 2050648710. Its totient is φ = 2050648708.

The previous prime is 2050648703. The next prime is 2050648711. The reversal of 2050648709 is 9078460502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2026980484 + 23668225 = 45022^2 + 4865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050648709 - 2²⁸ = 1782213253 is a prime.

Together with 2050648711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2050648703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025324354 + 1025324355.

It is an arithmetic number, because the mean of its divisors is an integer number (1025324355).

Almost surely, 2^2050648709 is an apocalyptic number.

It is an amenable number.

2050648709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050648709 is an equidigital number, since it uses as much as digits as its factorization.

2050648709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2050648709 is about 45284.0889165278. The cubic root of 2050648709 is about 1270.4680749269.

The spelling of 2050648709 in words is "two billion, fifty million, six hundred forty-eight thousand, seven hundred nine".