6999549705 has 48 divisors (see below), whose sum is σ = 12315663360. Its totient is φ = 3676982400.

The previous prime is 6999549691. The next prime is 6999549743. The reversal of 6999549705 is 5079459996.

It is not a de Polignac number, because 6999549705 - 2⁷ = 6999549577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1636720 + ... + 1640990.

It is an arithmetic number, because the mean of its divisors is an integer number (256576320).

Almost surely, 2^6999549705 is an apocalyptic number.

It is an amenable number.

6999549705 is a deficient number, since it is larger than the sum of its proper divisors (5316113655).

6999549705 is a wasteful number, since it uses less digits than its factorization.

6999549705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The square root of 6999549705 is about 83663.3115827960. The cubic root of 6999549705 is about 1912.8901636382.

The spelling of 6999549705 in words is "six billion, nine hundred ninety-nine million, five hundred forty-nine thousand, seven hundred five".