13547023881 has 16 divisors (see below), whose sum is σ = 18494207424. Its totient is φ = 8815855104.

The previous prime is 13547023829. The next prime is 13547023891. The reversal of 13547023881 is 18832074531.

It is not a de Polignac number, because 13547023881 - 2⁷ = 13547023753 is a prime.

It is a super-2 number, since 2×13547023881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13547023891) 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, 182065 + ... + 245441.

It is an arithmetic number, because the mean of its divisors is an integer number (1155887964).

Almost surely, 2^13547023881 is an apocalyptic number.

It is an amenable number.

13547023881 is a deficient number, since it is larger than the sum of its proper divisors (4947183543).

13547023881 is a wasteful number, since it uses less digits than its factorization.

13547023881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65080.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 13547023881 in words is "thirteen billion, five hundred forty-seven million, twenty-three thousand, eight hundred eighty-one".