4006548889 has 4 divisors (see below), whose sum is σ = 4578913024. Its totient is φ = 3434184756.

The previous prime is 4006548881. The next prime is 4006548893. The reversal of 4006548889 is 9888456004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4006548889 - 2³ = 4006548881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4006548881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286182057 + ... + 286182070.

It is an arithmetic number, because the mean of its divisors is an integer number (1144728256).

Almost surely, 2^4006548889 is an apocalyptic number.

It is an amenable number.

4006548889 is a deficient number, since it is larger than the sum of its proper divisors (572364135).

4006548889 is an equidigital number, since it uses as much as digits as its factorization.

4006548889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572364134.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 4006548889 is about 63297.3055429692. The cubic root of 4006548889 is about 1588.2668890580.

The spelling of 4006548889 in words is "four billion, six million, five hundred forty-eight thousand, eight hundred eighty-nine".