2264776813 has 18 divisors (see below), whose sum is σ = 2488568586. Its totient is φ = 2048907168.

The previous prime is 2264776781. The next prime is 2264776817. The reversal of 2264776813 is 3186774622.

It can be written as a sum of positive squares in 3 ways, for example, as 1256206249 + 1008570564 = 35443^2 + 31758^2 .

It is not a de Polignac number, because 2264776813 - 2⁵ = 2264776781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2264776817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11496231 + ... + 11496427.

Almost surely, 2^2264776813 is an apocalyptic number.

It is an amenable number.

2264776813 is a deficient number, since it is larger than the sum of its proper divisors (223791773).

2264776813 is an frugal number, since it uses more digits than its factorization.

2264776813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 277 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 2264776813 is about 47589.6712848492. The cubic root of 2264776813 is about 1313.2330478980.

The spelling of 2264776813 in words is "two billion, two hundred sixty-four million, seven hundred seventy-six thousand, eight hundred thirteen".