5238143381 has 4 divisors (see below), whose sum is σ = 5242116000. Its totient is φ = 5234170764.

The previous prime is 5238143371. The next prime is 5238143429. The reversal of 5238143381 is 1833418325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5238143381 - 2³⁰ = 4164401557 is a prime.

It is a super-2 number, since 2×5238143381² = 54876292159828222322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238143371) 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, 1984331 + ... + 1986968.

It is an arithmetic number, because the mean of its divisors is an integer number (1310529000).

Almost surely, 2^5238143381 is an apocalyptic number.

It is an amenable number.

5238143381 is a deficient number, since it is larger than the sum of its proper divisors (3972619).

5238143381 is a wasteful number, since it uses less digits than its factorization.

5238143381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972618.

The product of its digits is 69120, while the sum is 38.

The square root of 5238143381 is about 72375.0190397212. The cubic root of 5238143381 is about 1736.7039577309.

The spelling of 5238143381 in words is "five billion, two hundred thirty-eight million, one hundred forty-three thousand, three hundred eighty-one".