6488548791169 has 9 divisors (see below), whose sum is σ = 6892725858627. Its totient is φ = 6106828694304.

The previous prime is 6488548791157. The next prime is 6488548791181. The reversal of 6488548791169 is 9611978458846.

The square root of 6488548791169 is 2547263.

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

It is an interprime number because it is at equal distance from previous prime (6488548791157) and next prime (6488548791181).

It can be written as a sum of positive squares in only one way, i.e., 5051638332225 + 1436910458944 = 2247585^2 + 1198712^2 .

It is not a de Polignac number, because 6488548791169 - 2¹³ = 6488548782977 is a prime.

It is a super-2 number, since 2×6488548791169² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6488548791095 and 6488548791104.

It is not an unprimeable number, because it can be changed into a prime (6488548791199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43228552 + ... + 43378390.

Almost surely, 2^{6488548791169} is an apocalyptic number.

6488548791169 is the 2547263-rd square number.

6488548791169 is the 1273632-nd centered octagonal number.

It is an amenable number.

6488548791169 is a deficient number, since it is larger than the sum of its proper divisors (404177067458).

6488548791169 is an frugal number, since it uses more digits than its factorization.

6488548791169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299712 (or 149856 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 76.

The spelling of 6488548791169 in words is "six trillion, four hundred eighty-eight billion, five hundred forty-eight million, seven hundred ninety-one thousand, one hundred sixty-nine".