13314777665 has 8 divisors (see below), whose sum is σ = 18260266560. Its totient is φ = 9130133232.

The previous prime is 13314777661. The next prime is 13314777677. The reversal of 13314777665 is 56677741331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13314777665 - 2² = 13314777661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13314777661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190211075 + ... + 190211144.

It is an arithmetic number, because the mean of its divisors is an integer number (2282533320).

Almost surely, 2^13314777665 is an apocalyptic number.

It is an amenable number.

13314777665 is a deficient number, since it is larger than the sum of its proper divisors (4945488895).

13314777665 is an equidigital number, since it uses as much as digits as its factorization.

13314777665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380422231.

The product of its digits is 2222640, while the sum is 50.

The spelling of 13314777665 in words is "thirteen billion, three hundred fourteen million, seven hundred seventy-seven thousand, six hundred sixty-five".