2009782763 has 2 divisors, whose sum is σ = 2009782764. Its totient is φ = 2009782762.

The previous prime is 2009782759. The next prime is 2009782829. The reversal of 2009782763 is 3672879002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009782763 - 2² = 2009782759 is a prime.

It is not a weakly prime, because it can be changed into another prime (2009785763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004891381 + 1004891382.

It is an arithmetic number, because the mean of its divisors is an integer number (1004891382).

Almost surely, 2^2009782763 is an apocalyptic number.

2009782763 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009782763 is an equidigital number, since it uses as much as digits as its factorization.

2009782763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 2009782763 is about 44830.6007432423. The cubic root of 2009782763 is about 1261.9719610960.

The spelling of 2009782763 in words is "two billion, nine million, seven hundred eighty-two thousand, seven hundred sixty-three".