6243586646089 has 27 divisors (see below), whose sum is σ = 6857293680927. Its totient is φ = 5682202396416.

The previous prime is 6243586646081. The next prime is 6243586646117. The reversal of 6243586646089 is 9806466853426.

The square root of 6243586646089 is 2498717.

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

It can be written as a sum of positive squares in 13 ways, for example, as 6188974695225 + 54611950864 = 2487765^2 + 233692^2 .

It is not a de Polignac number, because 6243586646089 - 2³ = 6243586646081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6243586646081) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2371281117 + ... + 2371283749.

Almost surely, 2^{6243586646089} is an apocalyptic number.

6243586646089 is the 2498717-th square number.

6243586646089 is the 1249359-th centered octagonal number.

It is an amenable number.

6243586646089 is a deficient number, since it is larger than the sum of its proper divisors (613707034838).

6243586646089 is an frugal number, since it uses more digits than its factorization.

6243586646089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 67.

The spelling of 6243586646089 in words is "six trillion, two hundred forty-three billion, five hundred eighty-six million, six hundred forty-six thousand, eighty-nine".