13547448856 has 64 divisors (see below), whose sum is σ = 27002736000. Its totient is φ = 6354028800.

The previous prime is 13547448853. The next prime is 13547448907. The reversal of 13547448856 is 65884474531.

It is a junction number, because it is equal to n+sod(n) for n = 13547448797 and 13547448806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13547448851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12889531 + ... + 12890581.

It is an arithmetic number, because the mean of its divisors is an integer number (421917750).

Almost surely, 2^13547448856 is an apocalyptic number.

It is an amenable number.

13547448856 is a deficient number, since it is larger than the sum of its proper divisors (13455287144).

13547448856 is a wasteful number, since it uses less digits than its factorization.

13547448856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1828 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 55.

The spelling of 13547448856 in words is "thirteen billion, five hundred forty-seven million, four hundred forty-eight thousand, eight hundred fifty-six".