659841043 has 24 divisors (see below), whose sum is σ = 745612128. Its totient is φ = 582506496.

The previous prime is 659841041. The next prime is 659841053. The reversal of 659841043 is 340148956.

It is not a de Polignac number, because 659841043 - 2¹ = 659841041 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 659840987 and 659841005.

It is not an unprimeable number, because it can be changed into a prime (659841041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351355 + ... + 353227.

It is an arithmetic number, because the mean of its divisors is an integer number (31067172).

Almost surely, 2^659841043 is an apocalyptic number.

659841043 is a deficient number, since it is larger than the sum of its proper divisors (85771085).

659841043 is a wasteful number, since it uses less digits than its factorization.

659841043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 659841043 is about 25687.3712746166. The cubic root of 659841043 is about 870.5888658759.

Adding to 659841043 its reverse (340148956), we get a palindrome (999989999).

The spelling of 659841043 in words is "six hundred fifty-nine million, eight hundred forty-one thousand, forty-three".