14191268647 has 4 divisors (see below), whose sum is σ = 14193317800. Its totient is φ = 14189219496.

The previous prime is 14191268599. The next prime is 14191268659. The reversal of 14191268647 is 74686219141.

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 14191268647 - 2⁷ = 14191268519 is a prime.

It is a super-2 number, since 2×14191268647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14191268647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14191268447) 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, 1014153 + ... + 1028050.

It is an arithmetic number, because the mean of its divisors is an integer number (3548329450).

Almost surely, 2^14191268647 is an apocalyptic number.

14191268647 is a deficient number, since it is larger than the sum of its proper divisors (2049153).

14191268647 is an equidigital number, since it uses as much as digits as its factorization.

14191268647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049152.

The product of its digits is 580608, while the sum is 49.

The spelling of 14191268647 in words is "fourteen billion, one hundred ninety-one million, two hundred sixty-eight thousand, six hundred forty-seven".