5256836143 has 4 divisors (see below), whose sum is σ = 5661208168. Its totient is φ = 4852464120.

The previous prime is 5256836141. The next prime is 5256836173. The reversal of 5256836143 is 3416386525.

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 5256836143 - 2¹ = 5256836141 is a prime.

It is a super-2 number, since 2×5256836143² = 55268652468702232898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5256836143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256836141) 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, 202185993 + ... + 202186018.

It is an arithmetic number, because the mean of its divisors is an integer number (1415302042).

Almost surely, 2^5256836143 is an apocalyptic number.

5256836143 is a deficient number, since it is larger than the sum of its proper divisors (404372025).

5256836143 is a wasteful number, since it uses less digits than its factorization.

5256836143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404372024.

The product of its digits is 518400, while the sum is 43.

The square root of 5256836143 is about 72504.0422528289. The cubic root of 5256836143 is about 1738.7673639901.

The spelling of 5256836143 in words is "five billion, two hundred fifty-six million, eight hundred thirty-six thousand, one hundred forty-three".