6649410695 has 4 divisors (see below), whose sum is σ = 7979292840. Its totient is φ = 5319528552.

The previous prime is 6649410683. The next prime is 6649410697. The reversal of 6649410695 is 5960149466.

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

It is a cyclic number.

It is not a de Polignac number, because 6649410695 - 2⁴ = 6649410679 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664941065 + ... + 664941074.

It is an arithmetic number, because the mean of its divisors is an integer number (1994823210).

Almost surely, 2^6649410695 is an apocalyptic number.

6649410695 is a deficient number, since it is larger than the sum of its proper divisors (1329882145).

6649410695 is a wasteful number, since it uses less digits than its factorization.

6649410695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329882144.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 6649410695 is about 81543.9188106630. The cubic root of 6649410695 is about 1880.4468055840.

The spelling of 6649410695 in words is "six billion, six hundred forty-nine million, four hundred ten thousand, six hundred ninety-five".