6699229965 has 24 divisors (see below), whose sum is σ = 11614187520. Its totient is φ = 3572249184.

The previous prime is 6699229963. The next prime is 6699229981. The reversal of 6699229965 is 5699229966.

It is not a de Polignac number, because 6699229965 - 2¹ = 6699229963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6699229963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309156 + ... + 330114.

It is an arithmetic number, because the mean of its divisors is an integer number (483924480).

Almost surely, 2^6699229965 is an apocalyptic number.

It is an amenable number.

6699229965 is a deficient number, since it is larger than the sum of its proper divisors (4914957555).

6699229965 is a wasteful number, since it uses less digits than its factorization.

6699229965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28073 (or 28070 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 63.

The square root of 6699229965 is about 81848.8238461617. The cubic root of 6699229965 is about 1885.1314057277.

Subtracting from 6699229965 its reverse (5699229966), we obtain a palindrome (999999999).

The spelling of 6699229965 in words is "six billion, six hundred ninety-nine million, two hundred twenty-nine thousand, nine hundred sixty-five".