13768719667 has 4 divisors (see below), whose sum is σ = 13772343960. Its totient is φ = 13765095376.

The previous prime is 13768719637. The next prime is 13768719677. The reversal of 13768719667 is 76691786731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13768719667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13768719617) 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, 1806442 + ... + 1814047.

It is an arithmetic number, because the mean of its divisors is an integer number (3443085990).

Almost surely, 2^13768719667 is an apocalyptic number.

13768719667 is a deficient number, since it is larger than the sum of its proper divisors (3624293).

13768719667 is an equidigital number, since it uses as much as digits as its factorization.

13768719667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624292.

The product of its digits is 16003008, while the sum is 61.

The spelling of 13768719667 in words is "thirteen billion, seven hundred sixty-eight million, seven hundred nineteen thousand, six hundred sixty-seven".