2268813013 has 8 divisors (see below), whose sum is σ = 2403974808. Its totient is φ = 2133840384.

The previous prime is 2268812969. The next prime is 2268813067. The reversal of 2268813013 is 3103188622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 618666129 + 1650146884 = 24873^2 + 40622^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2268813013 - 2²¹ = 2266715861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2268813013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268813073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22206 + ... + 70927.

It is an arithmetic number, because the mean of its divisors is an integer number (300496851).

Almost surely, 2^2268813013 is an apocalyptic number.

It is an amenable number.

2268813013 is a deficient number, since it is larger than the sum of its proper divisors (135161795).

2268813013 is a wasteful number, since it uses less digits than its factorization.

2268813013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94583.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2268813013 is about 47632.0586685060. The cubic root of 2268813013 is about 1314.0127164205.

The spelling of 2268813013 in words is "two billion, two hundred sixty-eight million, eight hundred thirteen thousand, thirteen".