2265363665313 has 32 divisors (see below), whose sum is σ = 3532029849600. Its totient is φ = 1290966077520.

The previous prime is 2265363665249. The next prime is 2265363665329. The reversal of 2265363665313 is 3135663635622.

It is a happy number.

It is not a de Polignac number, because 2265363665313 - 2⁶ = 2265363665249 is a prime.

It is a super-2 number, since 2×2265363665313² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2265363665363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2621703 + ... + 3376988.

It is an arithmetic number, because the mean of its divisors is an integer number (110375932800).

Almost surely, 2^{2265363665313} is an apocalyptic number.

It is an amenable number.

2265363665313 is a deficient number, since it is larger than the sum of its proper divisors (1266666184287).

2265363665313 is an equidigital number, since it uses as much as digits as its factorization.

2265363665313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999082 (or 5999068 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 51.

The spelling of 2265363665313 in words is "two trillion, two hundred sixty-five billion, three hundred sixty-three million, six hundred sixty-five thousand, three hundred thirteen".