6649410692 has 6 divisors (see below), whose sum is σ = 11636468718. Its totient is φ = 3324705344.

The previous prime is 6649410683. The next prime is 6649410697. The reversal of 6649410692 is 2960149466.

It can be written as a sum of positive squares in only one way, i.e., 6392642116 + 256768576 = 79954^2 + 16024^2 .

It is not an unprimeable number, because it can be changed into a prime (6649410697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831176333 + ... + 831176340.

It is an arithmetic number, because the mean of its divisors is an integer number (1939411453).

Almost surely, 2^6649410692 is an apocalyptic number.

It is an amenable number.

6649410692 is a deficient number, since it is larger than the sum of its proper divisors (4987058026).

6649410692 is a wasteful number, since it uses less digits than its factorization.

6649410692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662352677 (or 1662352675 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 6649410692 is about 81543.9187922680. The cubic root of 6649410692 is about 1880.4468053012.

The spelling of 6649410692 in words is "six billion, six hundred forty-nine million, four hundred ten thousand, six hundred ninety-two".