5263911239 has 4 divisors (see below), whose sum is σ = 5392299360. Its totient is φ = 5135523120.

The previous prime is 5263911203. The next prime is 5263911251. The reversal of 5263911239 is 9321193625.

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 5263911239 - 2²⁴ = 5247134023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 128388079 = 5263911239 / (5 + 2 + 6 + 3 + 9 + 1 + 1 + 2 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5263911196 and 5263911205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263911269) 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, 64193999 + ... + 64194080.

It is an arithmetic number, because the mean of its divisors is an integer number (1348074840).

Almost surely, 2^5263911239 is an apocalyptic number.

5263911239 is a deficient number, since it is larger than the sum of its proper divisors (128388121).

5263911239 is a wasteful number, since it uses less digits than its factorization.

5263911239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128388120.

The product of its digits is 87480, while the sum is 41.

The square root of 5263911239 is about 72552.8168922475. The cubic root of 5263911239 is about 1739.5470744984.

The spelling of 5263911239 in words is "five billion, two hundred sixty-three million, nine hundred eleven thousand, two hundred thirty-nine".