2291745896 has 32 divisors (see below), whose sum is σ = 4708173600. Its totient is φ = 1037144640.

The previous prime is 2291745887. The next prime is 2291745899. The reversal of 2291745896 is 6985471922.

It is not an unprimeable number, because it can be changed into a prime (2291745899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36710 + ... + 77013.

It is an arithmetic number, because the mean of its divisors is an integer number (147130425).

Almost surely, 2^2291745896 is an apocalyptic number.

It is an amenable number.

2291745896 is an abundant number, since it is smaller than the sum of its proper divisors (2416427704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2291745896 is a wasteful number, since it uses less digits than its factorization.

2291745896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113969 (or 113965 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 2291745896 is about 47872.1829040624. The cubic root of 2291745896 is about 1318.4251757773.

The spelling of 2291745896 in words is "two billion, two hundred ninety-one million, seven hundred forty-five thousand, eight hundred ninety-six".