200549480861 has 4 divisors (see below), whose sum is σ = 201039822300. Its totient is φ = 200059139424.

The previous prime is 200549480849. The next prime is 200549480869. The reversal of 200549480861 is 168084945002.

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 162192258361 + 38357222500 = 402731^2 + 195850^2 .

It is a cyclic number.

It is not a de Polignac number, because 200549480861 - 2¹⁴ = 200549464477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200549480869) 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, 245170106 + ... + 245170923.

It is an arithmetic number, because the mean of its divisors is an integer number (50259955575).

Almost surely, 2^200549480861 is an apocalyptic number.

It is an amenable number.

200549480861 is a deficient number, since it is larger than the sum of its proper divisors (490341439).

200549480861 is an equidigital number, since it uses as much as digits as its factorization.

200549480861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490341438.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 200549480861 in words is "two hundred billion, five hundred forty-nine million, four hundred eighty thousand, eight hundred sixty-one".