6698795917 has 4 divisors (see below), whose sum is σ = 7307777376. Its totient is φ = 6089814460.

The previous prime is 6698795911. The next prime is 6698795951. The reversal of 6698795917 is 7195978966.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6698795917 - 2¹¹ = 6698793869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698795911) 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, 304490713 + ... + 304490734.

It is an arithmetic number, because the mean of its divisors is an integer number (1826944344).

Almost surely, 2^6698795917 is an apocalyptic number.

It is an amenable number.

6698795917 is a deficient number, since it is larger than the sum of its proper divisors (608981459).

6698795917 is a wasteful number, since it uses less digits than its factorization.

6698795917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608981458.

The product of its digits is 51438240, while the sum is 67.

The square root of 6698795917 is about 81846.1722806876. The cubic root of 6698795917 is about 1885.0906918351.

The spelling of 6698795917 in words is "six billion, six hundred ninety-eight million, seven hundred ninety-five thousand, nine hundred seventeen".