6609309772 has 12 divisors (see below), whose sum is σ = 12456006976. Its totient is φ = 3050450640.

The previous prime is 6609309767. The next prime is 6609309779. The reversal of 6609309772 is 2779039066.

It is not an unprimeable number, because it can be changed into a prime (6609309779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63551004 + ... + 63551107.

Almost surely, 2^6609309772 is an apocalyptic number.

It is an amenable number.

6609309772 is a deficient number, since it is larger than the sum of its proper divisors (5846697204).

6609309772 is a wasteful number, since it uses less digits than its factorization.

6609309772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127102128 (or 127102126 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 6609309772 is about 81297.6615407848. The cubic root of 6609309772 is about 1876.6590137455.

The spelling of 6609309772 in words is "six billion, six hundred nine million, three hundred nine thousand, seven hundred seventy-two".