5918676405889 has 9 divisors (see below), whose sum is σ = 6409015207209. Its totient is φ = 5463364411440.

The previous prime is 5918676405883. The next prime is 5918676405907. The reversal of 5918676405889 is 9885046768195.

The square root of 5918676405889 is 2432833.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4577267697025 + 1341408708864 = 2139455^2 + 1158192^2 .

It is not a de Polignac number, because 5918676405889 - 2⁹ = 5918676405377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5918676405883) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31533259 + ... + 31720399.

It is an arithmetic number, because the mean of its divisors is an integer number (712112800801).

Almost surely, 2^{5918676405889} is an apocalyptic number.

5918676405889 is the 2432833-rd square number.

5918676405889 is the 1216417-th centered octagonal number.

It is an amenable number.

5918676405889 is a deficient number, since it is larger than the sum of its proper divisors (490338801320).

5918676405889 is an frugal number, since it uses more digits than its factorization.

5918676405889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374308 (or 187154 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 76.

The spelling of 5918676405889 in words is "five trillion, nine hundred eighteen billion, six hundred seventy-six million, four hundred five thousand, eight hundred eighty-nine".