5931991393 has 4 divisors (see below), whose sum is σ = 6032533680. Its totient is φ = 5831449108.

The previous prime is 5931991381. The next prime is 5931991399. The reversal of 5931991393 is 3931991395.

5931991393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3931991395 = 5 ⋅786398279.

It is a cyclic number.

It is not a de Polignac number, because 5931991393 - 2¹³ = 5931983201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5931991393.

It is not an unprimeable number, because it can be changed into a prime (5931991399) 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, 50271055 + ... + 50271172.

It is an arithmetic number, because the mean of its divisors is an integer number (1508133420).

Almost surely, 2^5931991393 is an apocalyptic number.

It is an amenable number.

5931991393 is a deficient number, since it is larger than the sum of its proper divisors (100542287).

5931991393 is a wasteful number, since it uses less digits than its factorization.

5931991393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100542286.

The product of its digits is 885735, while the sum is 52.

The square root of 5931991393 is about 77019.4221803825. The cubic root of 5931991393 is about 1810.2289417680.

The spelling of 5931991393 in words is "five billion, nine hundred thirty-one million, nine hundred ninety-one thousand, three hundred ninety-three".