6609976133 has 4 divisors (see below), whose sum is σ = 6644224908. Its totient is φ = 6575727360.

The previous prime is 6609976117. The next prime is 6609976151. The reversal of 6609976133 is 3316799066.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4191008644 + 2418967489 = 64738^2 + 49183^2 .

It is a cyclic number.

It is not a de Polignac number, because 6609976133 - 2⁴ = 6609976117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609976103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17124098 + ... + 17124483.

It is an arithmetic number, because the mean of its divisors is an integer number (1661056227).

Almost surely, 2^6609976133 is an apocalyptic number.

It is an amenable number.

6609976133 is a deficient number, since it is larger than the sum of its proper divisors (34248775).

6609976133 is a wasteful number, since it uses less digits than its factorization.

6609976133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34248774.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 6609976133 is about 81301.7597165031. The cubic root of 6609976133 is about 1876.7220808632.

The spelling of 6609976133 in words is "six billion, six hundred nine million, nine hundred seventy-six thousand, one hundred thirty-three".