5681458399 has 16 divisors (see below), whose sum is σ = 5769140832. Its totient is φ = 5594738688.

The previous prime is 5681458369. The next prime is 5681458421. The reversal of 5681458399 is 9938541865.

It is a cyclic number.

It is not a de Polignac number, because 5681458399 - 2⁷ = 5681458271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681458369) 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 15 ways as a sum of consecutive naturals, for example, 16094607 + ... + 16094959.

It is an arithmetic number, because the mean of its divisors is an integer number (360571302).

Almost surely, 2^5681458399 is an apocalyptic number.

5681458399 is a deficient number, since it is larger than the sum of its proper divisors (87682433).

5681458399 is a wasteful number, since it uses less digits than its factorization.

5681458399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its digits is 9331200, while the sum is 58.

The square root of 5681458399 is about 75375.4495774320. The cubic root of 5681458399 is about 1784.3769738627.

The spelling of 5681458399 in words is "five billion, six hundred eighty-one million, four hundred fifty-eight thousand, three hundred ninety-nine".