5393243991 has 8 divisors (see below), whose sum is σ = 7209768960. Its totient is φ = 3586107512.

The previous prime is 5393243963. The next prime is 5393244011. The reversal of 5393243991 is 1993423935.

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

It is a cyclic number.

It is not a de Polignac number, because 5393243991 - 2¹¹ = 5393241943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5393243991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5393243951) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2345781 + ... + 2348078.

It is an arithmetic number, because the mean of its divisors is an integer number (901221120).

Almost surely, 2^5393243991 is an apocalyptic number.

5393243991 is a deficient number, since it is larger than the sum of its proper divisors (1816524969).

5393243991 is a wasteful number, since it uses less digits than its factorization.

5393243991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694245.

The product of its digits is 787320, while the sum is 48.

The square root of 5393243991 is about 73438.7090777064. The cubic root of 5393243991 is about 1753.6786823968.

The spelling of 5393243991 in words is "five billion, three hundred ninety-three million, two hundred forty-three thousand, nine hundred ninety-one".