52466936209 has 4 divisors (see below), whose sum is σ = 52487522100. Its totient is φ = 52446350320.

The previous prime is 52466936189. The next prime is 52466936227. The reversal of 52466936209 is 90263966425.

52466936209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 46073334609 + 6393601600 = 214647^2 + 79960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52466936209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52466936279) 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, 10289122 + ... + 10294219.

It is an arithmetic number, because the mean of its divisors is an integer number (13121880525).

Almost surely, 2^52466936209 is an apocalyptic number.

It is an amenable number.

52466936209 is a deficient number, since it is larger than the sum of its proper divisors (20585891).

52466936209 is a wasteful number, since it uses less digits than its factorization.

52466936209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20585890.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 52466936209 in words is "fifty-two billion, four hundred sixty-six million, nine hundred thirty-six thousand, two hundred nine".