263332320012765 has 12 divisors (see below), whose sum is σ = 456442688022204. Its totient is φ = 140443904006784.

The previous prime is 263332320012757. The next prime is 263332320012851. The reversal of 263332320012765 is 567210023233362.

263332320012765 is a `hidden beast` number, since 2 + 6 + 33 + 323 + 20 + 0 + 1 + 276 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 176491596980196 + 86840723032569 = 13285014^2 + 9318837^2 .

It is not a de Polignac number, because 263332320012765 - 2³ = 263332320012757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5851829333617 = 263332320012765 / (2 + 6 + 3 + 3 + 3 + 2 + 3 + 2 + 0 + 0 + 1 + 2 + 7 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 263332320012765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2925914666764 + ... + 2925914666853.

It is an arithmetic number, because the mean of its divisors is an integer number (38036890668517).

Almost surely, 2^{263332320012765} is an apocalyptic number.

It is an amenable number.

263332320012765 is a deficient number, since it is larger than the sum of its proper divisors (193110368009439).

263332320012765 is a wasteful number, since it uses less digits than its factorization.

263332320012765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851829333628 (or 5851829333625 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 45.

The spelling of 263332320012765 in words is "two hundred sixty-three trillion, three hundred thirty-two billion, three hundred twenty million, twelve thousand, seven hundred sixty-five".