5918620689 has 12 divisors (see below), whose sum is σ = 8652121296. Its totient is φ = 3898207512.

The previous prime is 5918620681. The next prime is 5918620693. The reversal of 5918620689 is 9860268195.

It is a happy number.

5918620689 is a `hidden beast` number, since 5 + 9 + 1 + 8 + 620 + 6 + 8 + 9 = 666.

It is not a de Polignac number, because 5918620689 - 2³ = 5918620681 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5918620681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3960847 + ... + 3962340.

It is an arithmetic number, because the mean of its divisors is an integer number (721010108).

Almost surely, 2^5918620689 is an apocalyptic number.

It is an amenable number.

5918620689 is a deficient number, since it is larger than the sum of its proper divisors (2733500607).

5918620689 is a wasteful number, since it uses less digits than its factorization.

5918620689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923276 (or 7923273 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 5918620689 is about 76932.5723539776. The cubic root of 5918620689 is about 1808.8678337327.

The spelling of 5918620689 in words is "five billion, nine hundred eighteen million, six hundred twenty thousand, six hundred eighty-nine".