548537240689 has 9 divisors (see below), whose sum is σ = 554097637569. Its totient is φ = 543032115600.

The previous prime is 548537240683. The next prime is 548537240701. The reversal of 548537240689 is 986042735845.

The square root of 548537240689 is 740633.

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 7441650225 + 541095590464 = 86265^2 + 735592^2 .

It is not a de Polignac number, because 548537240689 - 2¹⁵ = 548537207921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548537240683) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 74800267 + ... + 74807599.

Almost surely, 2^548537240689 is an apocalyptic number.

548537240689 is the 740633-rd square number.

548537240689 is the 370317-th centered octagonal number.

It is an amenable number.

548537240689 is a deficient number, since it is larger than the sum of its proper divisors (5560396880).

548537240689 is an frugal number, since it uses more digits than its factorization.

548537240689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14868 (or 7434 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 548537240689 in words is "five hundred forty-eight billion, five hundred thirty-seven million, two hundred forty thousand, six hundred eighty-nine".