2201089730449 has 27 divisors (see below), whose sum is σ = 2355427982257. Its totient is φ = 2056445465984.

The previous prime is 2201089730429. The next prime is 2201089730479. The reversal of 2201089730449 is 9440379801022.

The square root of 2201089730449 is 1483607.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1431715150849 + 769374579600 = 1196543^2 + 877140^2 .

It is not a de Polignac number, because 2201089730449 - 2¹¹ = 2201089728401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201089730419) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4968599622 + ... + 4968600064.

Almost surely, 2^{2201089730449} is an apocalyptic number.

2201089730449 is the 1483607-th square number.

2201089730449 is the 741804-th centered octagonal number.

It is an amenable number.

2201089730449 is a deficient number, since it is larger than the sum of its proper divisors (154338251808).

2201089730449 is an frugal number, since it uses more digits than its factorization.

2201089730449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

Multiplying 2201089730449 by its sum of digits (49), we get a square (107853396792001 = 10385249²).

The spelling of 2201089730449 in words is "two trillion, two hundred one billion, eighty-nine million, seven hundred thirty thousand, four hundred forty-nine".