6699654507 has 48 divisors (see below), whose sum is σ = 11325726720. Its totient is φ = 3491224128.

The previous prime is 6699654503. The next prime is 6699654529. The reversal of 6699654507 is 7054569966.

It is not a de Polignac number, because 6699654507 - 2² = 6699654503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6699654503) 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 47 ways as a sum of consecutive naturals, for example, 137494 + ... + 179732.

It is an arithmetic number, because the mean of its divisors is an integer number (235952640).

Almost surely, 2^6699654507 is an apocalyptic number.

6699654507 is a deficient number, since it is larger than the sum of its proper divisors (4626072213).

6699654507 is a wasteful number, since it uses less digits than its factorization.

6699654507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42352 (or 42345 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 57.

The square root of 6699654507 is about 81851.4172571251. The cubic root of 6699654507 is about 1885.1712262521.

The spelling of 6699654507 in words is "six billion, six hundred ninety-nine million, six hundred fifty-four thousand, five hundred seven".