6006403891 has 16 divisors (see below), whose sum is σ = 6143040000. Its totient is φ = 5871599136.

The previous prime is 6006403889. The next prime is 6006403939. The reversal of 6006403891 is 1983046006.

It is a cyclic number.

It is not a de Polignac number, because 6006403891 - 2¹ = 6006403889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6006403891.

It is not an unprimeable number, because it can be changed into a prime (6006403801) 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, 3803140 + ... + 3804718.

It is an arithmetic number, because the mean of its divisors is an integer number (383940000).

Almost surely, 2^6006403891 is an apocalyptic number.

6006403891 is a deficient number, since it is larger than the sum of its proper divisors (136636109).

6006403891 is a wasteful number, since it uses less digits than its factorization.

6006403891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 6006403891 is about 77500.9928388017. The cubic root of 6006403891 is about 1817.7668430919.

Adding to 6006403891 its reverse (1983046006), we get a palindrome (7989449897).

The spelling of 6006403891 in words is "six billion, six million, four hundred three thousand, eight hundred ninety-one".