4063871858 has 6 divisors (see below), whose sum is σ = 6095943021. Its totient is φ = 2031890852.

The previous prime is 4063871849. The next prime is 4063871869. The reversal of 4063871858 is 8581783604.

It can be written as a sum of positive squares in 2 ways, for example, as 4042034929 + 21836929 = 63577^2 + 4673^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45077.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 67616 + ... + 112692.

Almost surely, 2^4063871858 is an apocalyptic number.

4063871858 is a deficient number, since it is larger than the sum of its proper divisors (2032071163).

4063871858 is an frugal number, since it uses more digits than its factorization.

4063871858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90156 (or 45079 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 4063871858 is about 63748.5047510920. The cubic root of 4063871858 is about 1595.8056624930.

Multiplying 4063871858 by its sum of digits (50), we get a square (203193592900 = 450770²).

The spelling of 4063871858 in words is "four billion, sixty-three million, eight hundred seventy-one thousand, eight hundred fifty-eight".