4500991791 has 12 divisors (see below), whose sum is σ = 6883870032. Its totient is φ = 2824151616.

The previous prime is 4500991787. The next prime is 4500991813. The reversal of 4500991791 is 1971990054.

It is not a de Polignac number, because 4500991791 - 2² = 4500991787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500991991) 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, 14708971 + ... + 14709276.

It is an arithmetic number, because the mean of its divisors is an integer number (573655836).

Almost surely, 2^4500991791 is an apocalyptic number.

4500991791 is a deficient number, since it is larger than the sum of its proper divisors (2382878241).

4500991791 is a wasteful number, since it uses less digits than its factorization.

4500991791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29418270 (or 29418267 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 4500991791 is about 67089.4312913741. The cubic root of 4500991791 is about 1651.0849052314.

The spelling of 4500991791 in words is "four billion, five hundred million, nine hundred ninety-one thousand, seven hundred ninety-one".