6488246226689 has 4 divisors (see below), whose sum is σ = 6490533239124. Its totient is φ = 6485959214256.

The previous prime is 6488246226673. The next prime is 6488246226691. The reversal of 6488246226689 is 9866226428846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3765086186689 + 2723160040000 = 1940383^2 + 1650200^2 .

It is a cyclic number.

It is not a de Polignac number, because 6488246226689 - 2⁴ = 6488246226673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6488246226089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143501962 + ... + 1143507635.

It is an arithmetic number, because the mean of its divisors is an integer number (1622633309781).

Almost surely, 2^{6488246226689} is an apocalyptic number.

It is an amenable number.

6488246226689 is a deficient number, since it is larger than the sum of its proper divisors (2287012435).

6488246226689 is a wasteful number, since it uses less digits than its factorization.

6488246226689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287012434.

The product of its digits is 764411904, while the sum is 71.

The spelling of 6488246226689 in words is "six trillion, four hundred eighty-eight billion, two hundred forty-six million, two hundred twenty-six thousand, six hundred eighty-nine".