6611899393 has 8 divisors (see below), whose sum is σ = 7224137280. Its totient is φ = 6001520880.

The previous prime is 6611899351. The next prime is 6611899397. The reversal of 6611899393 is 3939981166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6611899393 - 2¹³ = 6611891201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6611899397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457398 + ... + 471631.

It is an arithmetic number, because the mean of its divisors is an integer number (903017160).

Almost surely, 2^6611899393 is an apocalyptic number.

It is an amenable number.

6611899393 is a deficient number, since it is larger than the sum of its proper divisors (612237887).

6611899393 is a wasteful number, since it uses less digits than its factorization.

6611899393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929687.

The product of its digits is 1889568, while the sum is 55.

The square root of 6611899393 is about 81313.5867675261. The cubic root of 6611899393 is about 1876.9040822514.

The spelling of 6611899393 in words is "six billion, six hundred eleven million, eight hundred ninety-nine thousand, three hundred ninety-three".