2263776509 has 2 divisors, whose sum is σ = 2263776510. Its totient is φ = 2263776508.

The previous prime is 2263776481. The next prime is 2263776601. The reversal of 2263776509 is 9056773622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1916513284 + 347263225 = 43778^2 + 18635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2263776509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2263716509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131888254 + 1131888255.

It is an arithmetic number, because the mean of its divisors is an integer number (1131888255).

Almost surely, 2^2263776509 is an apocalyptic number.

It is an amenable number.

2263776509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263776509 is an equidigital number, since it uses as much as digits as its factorization.

2263776509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 2263776509 is about 47579.1604486670. The cubic root of 2263776509 is about 1313.0396770087.

The spelling of 2263776509 in words is "two billion, two hundred sixty-three million, seven hundred seventy-six thousand, five hundred nine".