2191046924 has 48 divisors (see below), whose sum is σ = 4278790656. Its totient is φ = 973252800.

The previous prime is 2191046917. The next prime is 2191046933. The reversal of 2191046924 is 4296401912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630239 + ... + 633705.

It is an arithmetic number, because the mean of its divisors is an integer number (89141472).

Almost surely, 2^2191046924 is an apocalyptic number.

It is an amenable number.

2191046924 is a deficient number, since it is larger than the sum of its proper divisors (2087743732).

2191046924 is a wasteful number, since it uses less digits than its factorization.

2191046924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806 (or 3804 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2191046924 is about 46808.6201890207. The cubic root of 2191046924 is about 1298.8247611433.

The spelling of 2191046924 in words is "two billion, one hundred ninety-one million, forty-six thousand, nine hundred twenty-four".