2265902893863 has 24 divisors (see below), whose sum is σ = 3869522186400. Its totient is φ = 1250153319744.

The previous prime is 2265902893781. The next prime is 2265902893873. The reversal of 2265902893863 is 3683982095622.

2265902893863 is a `hidden beast` number, since 2 + 2 + 6 + 590 + 2 + 8 + 9 + 38 + 6 + 3 = 666.

It is not a de Polignac number, because 2265902893863 - 2⁸ = 2265902893607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 2265902893863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265902893873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620113908 + ... + 620117561.

It is an arithmetic number, because the mean of its divisors is an integer number (161230091100).

Almost surely, 2^{2265902893863} is an apocalyptic number.

2265902893863 is a deficient number, since it is larger than the sum of its proper divisors (1603619292537).

2265902893863 is a wasteful number, since it uses less digits than its factorization.

2265902893863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240231511 (or 1240231508 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 2265902893863 in words is "two trillion, two hundred sixty-five billion, nine hundred two million, eight hundred ninety-three thousand, eight hundred sixty-three".