2263889393 has 2 divisors, whose sum is σ = 2263889394. Its totient is φ = 2263889392.

The previous prime is 2263889339. The next prime is 2263889399. The reversal of 2263889393 is 3939883622.

2263889393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2263889339) 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., 2048739169 + 215150224 = 45263^2 + 14668^2 .

It is a cyclic number.

It is not a de Polignac number, because 2263889393 - 2¹⁰ = 2263888369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2263889399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131944696 + 1131944697.

It is an arithmetic number, because the mean of its divisors is an integer number (1131944697).

Almost surely, 2^2263889393 is an apocalyptic number.

It is an amenable number.

2263889393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263889393 is an equidigital number, since it uses as much as digits as its factorization.

2263889393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 53.

The square root of 2263889393 is about 47580.3467095396. The cubic root of 2263889393 is about 1313.0615017054.

The spelling of 2263889393 in words is "two billion, two hundred sixty-three million, eight hundred eighty-nine thousand, three hundred ninety-three".