5263816365 has 24 divisors (see below), whose sum is σ = 9346486968. Its totient is φ = 2738895360.

The previous prime is 5263816357. The next prime is 5263816379. The reversal of 5263816365 is 5636183625.

5263816365 is a `hidden beast` number, since 5 + 2 + 6 + 3 + 8 + 1 + 636 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 635191209 + 4628625156 = 25203^2 + 68034^2 .

It is not a de Polignac number, because 5263816365 - 2³ = 5263816357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5263816365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1424664 + ... + 1428353.

It is an arithmetic number, because the mean of its divisors is an integer number (389436957).

Almost surely, 2^5263816365 is an apocalyptic number.

It is an amenable number.

5263816365 is a deficient number, since it is larger than the sum of its proper divisors (4082670603).

5263816365 is a wasteful number, since it uses less digits than its factorization.

5263816365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853069 (or 2853066 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 5263816365 is about 72552.1630621720. The cubic root of 5263816365 is about 1739.5366235382.

The spelling of 5263816365 in words is "five billion, two hundred sixty-three million, eight hundred sixteen thousand, three hundred sixty-five".