5383543421 has 4 divisors (see below), whose sum is σ = 5557206144. Its totient is φ = 5209880700.

The previous prime is 5383543393. The next prime is 5383543453. The reversal of 5383543421 is 1243453835.

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 a de Polignac number, because none of the positive numbers 2^k-5383543421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5383543481) 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, 86831315 + ... + 86831376.

It is an arithmetic number, because the mean of its divisors is an integer number (1389301536).

Almost surely, 2^5383543421 is an apocalyptic number.

It is an amenable number.

5383543421 is a deficient number, since it is larger than the sum of its proper divisors (173662723).

5383543421 is a wasteful number, since it uses less digits than its factorization.

5383543421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173662722.

The product of its digits is 172800, while the sum is 38.

The square root of 5383543421 is about 73372.6340061470. The cubic root of 5383543421 is about 1752.6266320652.

The spelling of 5383543421 in words is "five billion, three hundred eighty-three million, five hundred forty-three thousand, four hundred twenty-one".