13664563414 has 4 divisors (see below), whose sum is σ = 20496845124. Its totient is φ = 6832281706.

The previous prime is 13664563379. The next prime is 13664563421. The reversal of 13664563414 is 41436546631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41436546631 = 227 ⋅182539853.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3416140852 + ... + 3416140855.

It is an arithmetic number, because the mean of its divisors is an integer number (5124211281).

Almost surely, 2^13664563414 is an apocalyptic number.

13664563414 is a deficient number, since it is larger than the sum of its proper divisors (6832281710).

13664563414 is an equidigital number, since it uses as much as digits as its factorization.

13664563414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832281709.

The product of its digits is 622080, while the sum is 43.

The spelling of 13664563414 in words is "thirteen billion, six hundred sixty-four million, five hundred sixty-three thousand, four hundred fourteen".