5213886845 has 4 divisors (see below), whose sum is σ = 6256664220. Its totient is φ = 4171109472.

The previous prime is 5213886809. The next prime is 5213886863. The reversal of 5213886845 is 5486883125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2129084164 + 3084802681 = 46142^2 + 55541^2 .

It is a cyclic number.

It is not a de Polignac number, because 5213886845 - 2⁶ = 5213886781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5213886793 and 5213886802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521388680 + ... + 521388689.

It is an arithmetic number, because the mean of its divisors is an integer number (1564166055).

Almost surely, 2^5213886845 is an apocalyptic number.

It is an amenable number.

5213886845 is a deficient number, since it is larger than the sum of its proper divisors (1042777375).

5213886845 is a wasteful number, since it uses less digits than its factorization.

5213886845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042777374.

The product of its digits is 1843200, while the sum is 50.

The square root of 5213886845 is about 72207.2492551821. The cubic root of 5213886845 is about 1734.0190614192.

The spelling of 5213886845 in words is "five billion, two hundred thirteen million, eight hundred eighty-six thousand, eight hundred forty-five".