2265361863 has 4 divisors (see below), whose sum is σ = 3020482488. Its totient is φ = 1510241240.

The previous prime is 2265361853. The next prime is 2265361867. The reversal of 2265361863 is 3681635622.

2265361863 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2265361863 - 2⁶ = 2265361799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265361867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377560308 + ... + 377560313.

It is an arithmetic number, because the mean of its divisors is an integer number (755120622).

Almost surely, 2^2265361863 is an apocalyptic number.

2265361863 is a deficient number, since it is larger than the sum of its proper divisors (755120625).

2265361863 is an equidigital number, since it uses as much as digits as its factorization.

2265361863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755120624.

The product of its digits is 311040, while the sum is 42.

The square root of 2265361863 is about 47595.8177049203. The cubic root of 2265361863 is about 1313.3461187669.

The spelling of 2265361863 in words is "two billion, two hundred sixty-five million, three hundred sixty-one thousand, eight hundred sixty-three".