4571987043 has 32 divisors (see below), whose sum is σ = 7133378560. Its totient is φ = 2579454720.

The previous prime is 4571987009. The next prime is 4571987111. The reversal of 4571987043 is 3407891754.

It is a happy number.

It is not a de Polignac number, because 4571987043 - 2¹⁰ = 4571986019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4571986983 and 4571987001.

It is not an unprimeable number, because it can be changed into a prime (4571986043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76546 + ... + 122487.

It is an arithmetic number, because the mean of its divisors is an integer number (222918080).

Almost surely, 2^4571987043 is an apocalyptic number.

4571987043 is a deficient number, since it is larger than the sum of its proper divisors (2561391517).

4571987043 is a wasteful number, since it uses less digits than its factorization.

4571987043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199099.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 4571987043 is about 67616.4702051209. The cubic root of 4571987043 is about 1659.7206481825.

The spelling of 4571987043 in words is "four billion, five hundred seventy-one million, nine hundred eighty-seven thousand, forty-three".