6997248709 has 8 divisors (see below), whose sum is σ = 7634312928. Its totient is φ = 6360342960.

The previous prime is 6997248703. The next prime is 6997248719. The reversal of 6997248709 is 9078427996.

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 6997248709 - 2³ = 6997248701 is a prime.

It is a super-2 number, since 2×6997248709² = 97922978991204333362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997248701) 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 7 ways as a sum of consecutive naturals, for example, 64659 + ... + 134815.

It is an arithmetic number, because the mean of its divisors is an integer number (954289116).

Almost surely, 2^6997248709 is an apocalyptic number.

It is an amenable number.

6997248709 is a deficient number, since it is larger than the sum of its proper divisors (637064219).

6997248709 is a wasteful number, since it uses less digits than its factorization.

6997248709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79235.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The square root of 6997248709 is about 83649.5589289029. The cubic root of 6997248709 is about 1912.6805294378.

The spelling of 6997248709 in words is "six billion, nine hundred ninety-seven million, two hundred forty-eight thousand, seven hundred nine".