6699245867 has 4 divisors (see below), whose sum is σ = 6765575136. Its totient is φ = 6632916600.

The previous prime is 6699245849. The next prime is 6699245873. The reversal of 6699245867 is 7685429966.

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 6699245867 - 2¹⁴ = 6699229483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6699245827) 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, 33164483 + ... + 33164684.

It is an arithmetic number, because the mean of its divisors is an integer number (1691393784).

Almost surely, 2^6699245867 is an apocalyptic number.

6699245867 is a deficient number, since it is larger than the sum of its proper divisors (66329269).

6699245867 is a wasteful number, since it uses less digits than its factorization.

6699245867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66329268.

The product of its digits is 39191040, while the sum is 62.

The square root of 6699245867 is about 81848.9209886117. The cubic root of 6699245867 is about 1885.1328973089.

The spelling of 6699245867 in words is "six billion, six hundred ninety-nine million, two hundred forty-five thousand, eight hundred sixty-seven".