4491126143 has 16 divisors (see below), whose sum is σ = 5185833024. Its totient is φ = 3809894400.

The previous prime is 4491126139. The next prime is 4491126149. The reversal of 4491126143 is 3416211944.

It is a cyclic number.

It is not a de Polignac number, because 4491126143 - 2² = 4491126139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491126149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274493 + ... + 290393.

It is an arithmetic number, because the mean of its divisors is an integer number (324114564).

Almost surely, 2^4491126143 is an apocalyptic number.

4491126143 is a deficient number, since it is larger than the sum of its proper divisors (694706881).

4491126143 is a wasteful number, since it uses less digits than its factorization.

4491126143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16322.

The product of its digits is 20736, while the sum is 35.

The square root of 4491126143 is about 67015.8648604940. The cubic root of 4491126143 is about 1649.8776943932.

The spelling of 4491126143 in words is "four billion, four hundred ninety-one million, one hundred twenty-six thousand, one hundred forty-three".