13447814479 has 4 divisors (see below), whose sum is σ = 14670343080. Its totient is φ = 12225285880.

The previous prime is 13447814473. The next prime is 13447814491. The reversal of 13447814479 is 97441874431.

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 13447814479 - 2¹⁹ = 13447290191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13447814473) 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, 611264284 + ... + 611264305.

It is an arithmetic number, because the mean of its divisors is an integer number (3667585770).

Almost surely, 2^13447814479 is an apocalyptic number.

13447814479 is a deficient number, since it is larger than the sum of its proper divisors (1222528601).

13447814479 is a wasteful number, since it uses less digits than its factorization.

13447814479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222528600.

The product of its digits is 2709504, while the sum is 52.

The spelling of 13447814479 in words is "thirteen billion, four hundred forty-seven million, eight hundred fourteen thousand, four hundred seventy-nine".