2091144050 has 24 divisors (see below), whose sum is σ = 3953296452. Its totient is φ = 822744000.

The previous prime is 2091144049. The next prime is 2091144053. The reversal of 2091144050 is 504411902.

It can be written as a sum of positive squares in 6 ways, for example, as 5303809 + 2085840241 = 2303^2 + 45671^2 .

It is not an unprimeable number, because it can be changed into a prime (2091144053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339761 + ... + 345860.

Almost surely, 2^2091144050 is an apocalyptic number.

2091144050 is a deficient number, since it is larger than the sum of its proper divisors (1862152402).

2091144050 is a wasteful number, since it uses less digits than its factorization.

2091144050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685694 (or 685689 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2091144050 is about 45729.0285267466. The cubic root of 2091144050 is about 1278.7765103418.

Adding to 2091144050 its reverse (504411902), we get a palindrome (2595555952).

The spelling of 2091144050 in words is "two billion, ninety-one million, one hundred forty-four thousand, fifty".