5243381851 has 16 divisors (see below), whose sum is σ = 5469811200. Its totient is φ = 5021982720.

The previous prime is 5243381837. The next prime is 5243381971. The reversal of 5243381851 is 1581833425.

It is a cyclic number.

It is not a de Polignac number, because 5243381851 - 2¹⁹ = 5242857563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243381821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681675 + ... + 689323.

It is an arithmetic number, because the mean of its divisors is an integer number (341863200).

Almost surely, 2^5243381851 is an apocalyptic number.

5243381851 is a deficient number, since it is larger than the sum of its proper divisors (226429349).

5243381851 is a wasteful number, since it uses less digits than its factorization.

5243381851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974.

The product of its digits is 115200, while the sum is 40.

The square root of 5243381851 is about 72411.1997621915. The cubic root of 5243381851 is about 1737.2827022629.

The spelling of 5243381851 in words is "five billion, two hundred forty-three million, three hundred eighty-one thousand, eight hundred fifty-one".