2100360344644 has 9 divisors (see below), whose sum is σ = 3675635675551. Its totient is φ = 1050178723060.

The previous prime is 2100360344639. The next prime is 2100360344647. The reversal of 2100360344644 is 4464430630012.

The square root of 2100360344644 is 1449262.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100360344647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2536209 + ... + 3260839.

Almost surely, 2^{2100360344644} is an apocalyptic number.

2100360344644 is the 1449262-nd square number.

It is an amenable number.

2100360344644 is a deficient number, since it is larger than the sum of its proper divisors (1575275330907).

2100360344644 is an frugal number, since it uses more digits than its factorization.

2100360344644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449266 (or 724633 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 2100360344644 its reverse (4464430630012), we get a palindrome (6564790974656).

The spelling of 2100360344644 in words is "two trillion, one hundred billion, three hundred sixty million, three hundred forty-four thousand, six hundred forty-four".