5383943691 has 8 divisors (see below), whose sum is σ = 8204104704. Its totient is φ = 3076539240.

The previous prime is 5383943657. The next prime is 5383943743. The reversal of 5383943691 is 1963493835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5383943691 - 2¹³ = 5383935499 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5383943651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128189115 + ... + 128189156.

It is an arithmetic number, because the mean of its divisors is an integer number (1025513088).

Almost surely, 2^5383943691 is an apocalyptic number.

5383943691 is a deficient number, since it is larger than the sum of its proper divisors (2820161013).

5383943691 is a wasteful number, since it uses less digits than its factorization.

5383943691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256378281.

The product of its digits is 2099520, while the sum is 51.

The square root of 5383943691 is about 73375.3616072861. The cubic root of 5383943691 is about 1752.6700673037.

The spelling of 5383943691 in words is "five billion, three hundred eighty-three million, nine hundred forty-three thousand, six hundred ninety-one".