200634260873 has 4 divisors (see below), whose sum is σ = 200636009028. Its totient is φ = 200632512720.

The previous prime is 200634260857. The next prime is 200634260921. The reversal of 200634260873 is 378062436002.

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 71873856649 + 128760404224 = 268093^2 + 358832^2 .

It is a cyclic number.

It is not a de Polignac number, because 200634260873 - 2⁴ = 200634260857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200634260873.

It is not an unprimeable number, because it can be changed into a prime (200634260173) 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, 688838 + ... + 935823.

It is an arithmetic number, because the mean of its divisors is an integer number (50159002257).

Almost surely, 2^200634260873 is an apocalyptic number.

It is an amenable number.

200634260873 is a deficient number, since it is larger than the sum of its proper divisors (1748155).

200634260873 is a wasteful number, since it uses less digits than its factorization.

200634260873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748154.

The product of its (nonzero) digits is 290304, while the sum is 41.

Adding to 200634260873 its reverse (378062436002), we get a palindrome (578696696875).

The spelling of 200634260873 in words is "two hundred billion, six hundred thirty-four million, two hundred sixty thousand, eight hundred seventy-three".