5978546489 has 2 divisors, whose sum is σ = 5978546490. Its totient is φ = 5978546488.

The previous prime is 5978546449. The next prime is 5978546501. The reversal of 5978546489 is 9846458795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5919763600 + 58782889 = 76940^2 + 7667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5978546489 is a prime.

It is a super-2 number, since 2×5978546489² = 71486036242268454242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5978546419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989273244 + 2989273245.

It is an arithmetic number, because the mean of its divisors is an integer number (2989273245).

Almost surely, 2^5978546489 is an apocalyptic number.

It is an amenable number.

5978546489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5978546489 is an equidigital number, since it uses as much as digits as its factorization.

5978546489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 65.

The square root of 5978546489 is about 77321.0610959265. The cubic root of 5978546489 is about 1814.9522499308.

The spelling of 5978546489 in words is "five billion, nine hundred seventy-eight million, five hundred forty-six thousand, four hundred eighty-nine".