52169410609 has 4 divisors (see below), whose sum is σ = 53441835300. Its totient is φ = 50896985920.

The previous prime is 52169410591. The next prime is 52169410619. The reversal of 52169410609 is 90601496125.

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 3713074225 + 48456336384 = 60935^2 + 220128^2 .

It is a cyclic number.

It is not a de Polignac number, because 52169410609 - 2⁵ = 52169410577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52169410619) 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, 636212284 + ... + 636212365.

It is an arithmetic number, because the mean of its divisors is an integer number (13360458825).

Almost surely, 2^52169410609 is an apocalyptic number.

It is an amenable number.

52169410609 is a deficient number, since it is larger than the sum of its proper divisors (1272424691).

52169410609 is a wasteful number, since it uses less digits than its factorization.

52169410609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272424690.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 52169410609 in words is "fifty-two billion, one hundred sixty-nine million, four hundred ten thousand, six hundred nine".