2050782991 has 2 divisors, whose sum is σ = 2050782992. Its totient is φ = 2050782990.

The previous prime is 2050782953. The next prime is 2050783019. The reversal of 2050782991 is 1992870502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2050782991 - 2¹⁷ = 2050651919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2050782911) 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 as a sum of consecutive naturals, namely, 1025391495 + 1025391496.

It is an arithmetic number, because the mean of its divisors is an integer number (1025391496).

Almost surely, 2^2050782991 is an apocalyptic number.

2050782991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050782991 is an equidigital number, since it uses as much as digits as its factorization.

2050782991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 2050782991 is about 45285.5715543041. The cubic root of 2050782991 is about 1270.4958055453.

The spelling of 2050782991 in words is "two billion, fifty million, seven hundred eighty-two thousand, nine hundred ninety-one".