13771534488 has 64 divisors (see below), whose sum is σ = 37630033920. Its totient is φ = 4181107200.

The previous prime is 13771534453. The next prime is 13771534489. The reversal of 13771534488 is 88443517731.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 13771534488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13771534489) 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, 531768 + ... + 557063.

It is an arithmetic number, because the mean of its divisors is an integer number (587969280).

Almost surely, 2^13771534488 is an apocalyptic number.

It is an amenable number.

13771534488 is an abundant number, since it is smaller than the sum of its proper divisors (23858499432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13771534488 is a wasteful number, since it uses less digits than its factorization.

13771534488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088888 (or 1088884 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 13771534488 in words is "thirteen billion, seven hundred seventy-one million, five hundred thirty-four thousand, four hundred eighty-eight".