5991379659 has 24 divisors (see below), whose sum is σ = 8907155712. Its totient is φ = 3879192240.

The previous prime is 5991379627. The next prime is 5991379663. The reversal of 5991379659 is 9569731995.

It is a happy number.

5991379659 is a `hidden beast` number, since 599 + 1 + 37 + 9 + 6 + 5 + 9 = 666.

It is not a de Polignac number, because 5991379659 - 2⁵ = 5991379627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5991379596 and 5991379605.

It is not an unprimeable number, because it can be changed into a prime (5991309659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27159 + ... + 112784.

It is an arithmetic number, because the mean of its divisors is an integer number (371131488).

Almost surely, 2^5991379659 is an apocalyptic number.

5991379659 is a deficient number, since it is larger than the sum of its proper divisors (2915776053).

5991379659 is a wasteful number, since it uses less digits than its factorization.

5991379659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140087 (or 140084 counting only the distinct ones).

The product of its digits is 20667150, while the sum is 63.

The square root of 5991379659 is about 77404.0028616092. The cubic root of 5991379659 is about 1816.2499424516.

The spelling of 5991379659 in words is "five billion, nine hundred ninety-one million, three hundred seventy-nine thousand, six hundred fifty-nine".