13445454663 has 6 divisors (see below), whose sum is σ = 19421212304. Its totient is φ = 8963636436.

The previous prime is 13445454653. The next prime is 13445454667. The reversal of 13445454663 is 36645454431.

13445454663 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 545 + 46 + 63 = 666.

13445454663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13445454663 - 2⁴ = 13445454647 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 (13445454667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746969695 + ... + 746969712.

Almost surely, 2^13445454663 is an apocalyptic number.

13445454663 is a deficient number, since it is larger than the sum of its proper divisors (5975757641).

13445454663 is a wasteful number, since it uses less digits than its factorization.

13445454663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493939413 (or 1493939410 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 13445454663 in words is "thirteen billion, four hundred forty-five million, four hundred fifty-four thousand, six hundred sixty-three".