2090780563 has 2 divisors, whose sum is σ = 2090780564. Its totient is φ = 2090780562.

The previous prime is 2090780561. The next prime is 2090780591. The reversal of 2090780563 is 3650870902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2090780563 - 2¹ = 2090780561 is a prime.

Together with 2090780561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2090780561) 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, 1045390281 + 1045390282.

It is an arithmetic number, because the mean of its divisors is an integer number (1045390282).

Almost surely, 2^2090780563 is an apocalyptic number.

2090780563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090780563 is an equidigital number, since it uses as much as digits as its factorization.

2090780563 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 40.

The square root of 2090780563 is about 45725.0539966876. The cubic root of 2090780563 is about 1278.7024128524.

The spelling of 2090780563 in words is "two billion, ninety million, seven hundred eighty thousand, five hundred sixty-three".