6699550007 has 2 divisors, whose sum is σ = 6699550008. Its totient is φ = 6699550006.

The previous prime is 6699549979. The next prime is 6699550021. The reversal of 6699550007 is 7000559966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6699550007 - 2⁶ = 6699549943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6699550037) 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 as a sum of consecutive naturals, namely, 3349775003 + 3349775004.

It is an arithmetic number, because the mean of its divisors is an integer number (3349775004).

Almost surely, 2^6699550007 is an apocalyptic number.

6699550007 is a deficient number, since it is larger than the sum of its proper divisors (1).

6699550007 is an equidigital number, since it uses as much as digits as its factorization.

6699550007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 6699550007 is about 81850.7789028302. The cubic root of 6699550007 is about 1885.1614246812.

The spelling of 6699550007 in words is "six billion, six hundred ninety-nine million, five hundred fifty thousand, seven".