13545643675 has 24 divisors (see below), whose sum is σ = 16899043392. Its totient is φ = 10770624000.

The previous prime is 13545643663. The next prime is 13545643691. The reversal of 13545643675 is 57634654531.

It is a de Polignac number, because none of the positive numbers 2^k-13545643675 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3121107 + ... + 3125443.

It is an arithmetic number, because the mean of its divisors is an integer number (704126808).

Almost surely, 2^13545643675 is an apocalyptic number.

13545643675 is a deficient number, since it is larger than the sum of its proper divisors (3353399717).

13545643675 is a wasteful number, since it uses less digits than its factorization.

13545643675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079 (or 5074 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 49.

The spelling of 13545643675 in words is "thirteen billion, five hundred forty-five million, six hundred forty-three thousand, six hundred seventy-five".