5997860596809 has 45 divisors (see below), whose sum is σ = 9185011900581. Its totient is φ = 3900459769920.

The previous prime is 5997860596807. The next prime is 5997860596843. The reversal of 5997860596809 is 9086950687995.

It is a happy number.

The square root of 5997860596809 is 2449053.

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 5319826925625 + 678033671184 = 2306475^2 + 823428^2 .

It is not a de Polignac number, because 5997860596809 - 2¹ = 5997860596807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (5997860596807) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 903697239 + ... + 903703875.

Almost surely, 2^{5997860596809} is an apocalyptic number.

5997860596809 is the 2449053-rd square number.

5997860596809 is the 1224527-th centered octagonal number.

It is an amenable number.

5997860596809 is a deficient number, since it is larger than the sum of its proper divisors (3187151303772).

5997860596809 is an frugal number, since it uses more digits than its factorization.

5997860596809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 2645395200, while the sum is 81.

Multiplying 5997860596809 by its sum of digits (81), we get a square (485826708341529 = 22041477²).

5997860596809 divided by its sum of digits (81) gives a square (74047661689 = 272117²).

The spelling of 5997860596809 in words is "five trillion, nine hundred ninety-seven billion, eight hundred sixty million, five hundred ninety-six thousand, eight hundred nine".