2266621613 has 2 divisors, whose sum is σ = 2266621614. Its totient is φ = 2266621612.

The previous prime is 2266621493. The next prime is 2266621631. The reversal of 2266621613 is 3161266622.

It is a happy number.

Together with next prime (2266621631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1354460809 + 912160804 = 36803^2 + 30202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266621613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2266620613) 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 as a sum of consecutive naturals, namely, 1133310806 + 1133310807.

It is an arithmetic number, because the mean of its divisors is an integer number (1133310807).

Almost surely, 2^2266621613 is an apocalyptic number.

It is an amenable number.

2266621613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266621613 is an equidigital number, since it uses as much as digits as its factorization.

2266621613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 2266621613 is about 47609.0496964600. The cubic root of 2266621613 is about 1313.5895208200.

The spelling of 2266621613 in words is "two billion, two hundred sixty-six million, six hundred twenty-one thousand, six hundred thirteen".