659542548243 has 16 divisors (see below), whose sum is σ = 934324917120. Its totient is φ = 412660164096.

The previous prime is 659542548227. The next prime is 659542548257. The reversal of 659542548243 is 342845245956.

It is not a de Polignac number, because 659542548243 - 2⁴ = 659542548227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (659542548043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54063630 + ... + 54075827.

It is an arithmetic number, because the mean of its divisors is an integer number (58395307320).

Almost surely, 2^659542548243 is an apocalyptic number.

659542548243 is a deficient number, since it is larger than the sum of its proper divisors (274782368877).

659542548243 is a wasteful number, since it uses less digits than its factorization.

659542548243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108139586.

The product of its digits is 41472000, while the sum is 57.

The spelling of 659542548243 in words is "six hundred fifty-nine billion, five hundred forty-two million, five hundred forty-eight thousand, two hundred forty-three".