2061630244 has 12 divisors (see below), whose sum is σ = 3608316544. Its totient is φ = 1030682664.

The previous prime is 2061630229. The next prime is 2061630247. The reversal of 2061630244 is 4420361602.

It is not an unprimeable number, because it can be changed into a prime (2061630247) 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, 7417 + ... + 64639.

Almost surely, 2^2061630244 is an apocalyptic number.

It is an amenable number.

2061630244 is a deficient number, since it is larger than the sum of its proper divisors (1546686300).

2061630244 is a wasteful number, since it uses less digits than its factorization.

2061630244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66234 (or 66232 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2061630244 is about 45405.1786033267. The cubic root of 2061630244 is about 1272.7318884749.

Adding to 2061630244 its reverse (4420361602), we get a palindrome (6481991846).

The spelling of 2061630244 in words is "two billion, sixty-one million, six hundred thirty thousand, two hundred forty-four".