6999762649 has 8 divisors (see below), whose sum is σ = 7637442048. Its totient is φ = 6362306160.

The previous prime is 6999762641. The next prime is 6999762797. The reversal of 6999762649 is 9462679996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6999762649 - 2³ = 6999762641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6999762641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13704 + ... + 119110.

It is an arithmetic number, because the mean of its divisors is an integer number (954680256).

Almost surely, 2^6999762649 is an apocalyptic number.

It is an amenable number.

6999762649 is a deficient number, since it is larger than the sum of its proper divisors (637679399).

6999762649 is a wasteful number, since it uses less digits than its factorization.

6999762649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111455.

The product of its digits is 79361856, while the sum is 67.

The square root of 6999762649 is about 83664.5841978552. The cubic root of 6999762649 is about 1912.9095617600.

The spelling of 6999762649 in words is "six billion, nine hundred ninety-nine million, seven hundred sixty-two thousand, six hundred forty-nine".