11684426667 has 4 divisors (see below), whose sum is σ = 15579235560. Its totient is φ = 7789617776.

The previous prime is 11684426651. The next prime is 11684426669. The reversal of 11684426667 is 76662448611.

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

It is a cyclic number.

It is not a de Polignac number, because 11684426667 - 2⁴ = 11684426651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11684426669) 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, 1947404442 + ... + 1947404447.

It is an arithmetic number, because the mean of its divisors is an integer number (3894808890).

Almost surely, 2^11684426667 is an apocalyptic number.

11684426667 is a deficient number, since it is larger than the sum of its proper divisors (3894808893).

11684426667 is an equidigital number, since it uses as much as digits as its factorization.

11684426667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894808892.

The product of its digits is 2322432, while the sum is 51.

The spelling of 11684426667 in words is "eleven billion, six hundred eighty-four million, four hundred twenty-six thousand, six hundred sixty-seven".