299866509668 has 12 divisors (see below), whose sum is σ = 572472427632. Its totient is φ = 136302958920.

The previous prime is 299866509661. The next prime is 299866509673. The reversal of 299866509668 is 866905668992.

It is a junction number, because it is equal to n+sod(n) for n = 299866509595 and 299866509604.

It is not an unprimeable number, because it can be changed into a prime (299866509661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407573930 + ... + 3407574017.

It is an arithmetic number, because the mean of its divisors is an integer number (47706035636).

Almost surely, 2^299866509668 is an apocalyptic number.

It is an amenable number.

299866509668 is a deficient number, since it is larger than the sum of its proper divisors (272605917964).

299866509668 is a wasteful number, since it uses less digits than its factorization.

299866509668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815147962 (or 6815147960 counting only the distinct ones).

The product of its (nonzero) digits is 604661760, while the sum is 74.

The spelling of 299866509668 in words is "two hundred ninety-nine billion, eight hundred sixty-six million, five hundred nine thousand, six hundred sixty-eight".