5263398611 has 4 divisors (see below), whose sum is σ = 5573010312. Its totient is φ = 4953786912.

The previous prime is 5263398599. The next prime is 5263398641. The reversal of 5263398611 is 1168933625.

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 5263398611 - 2¹⁸ = 5263136467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5263398641) 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, 154805825 + ... + 154805858.

It is an arithmetic number, because the mean of its divisors is an integer number (1393252578).

Almost surely, 2^5263398611 is an apocalyptic number.

5263398611 is a deficient number, since it is larger than the sum of its proper divisors (309611701).

5263398611 is a wasteful number, since it uses less digits than its factorization.

5263398611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309611700.

The product of its digits is 233280, while the sum is 44.

The square root of 5263398611 is about 72549.2840143857. The cubic root of 5263398611 is about 1739.4906038472.

The spelling of 5263398611 in words is "five billion, two hundred sixty-three million, three hundred ninety-eight thousand, six hundred eleven".