13449603847679 has 8 divisors (see below), whose sum is σ = 13482414572400. Its totient is φ = 13416805817856.

The previous prime is 13449603847657. The next prime is 13449603847703. The reversal of 13449603847679 is 97674830694431.

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 13449603847679 - 2²⁰ = 13449602799103 is a prime.

It is a super-2 number, since 2×13449603847679² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13449603849679) 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, 1050512 + ... + 5291765.

It is an arithmetic number, because the mean of its divisors is an integer number (1685301821550).

Almost surely, 2^{13449603847679} is an apocalyptic number.

13449603847679 is a deficient number, since it is larger than the sum of its proper divisors (32810724721).

13449603847679 is an equidigital number, since it uses as much as digits as its factorization.

13449603847679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347449.

The product of its (nonzero) digits is 658409472, while the sum is 71.

The spelling of 13449603847679 in words is "thirteen trillion, four hundred forty-nine billion, six hundred three million, eight hundred forty-seven thousand, six hundred seventy-nine".