13313897488 has 20 divisors (see below), whose sum is σ = 25797490348. Its totient is φ = 6656480640.

The previous prime is 13313897459. The next prime is 13313897549. The reversal of 13313897488 is 88479831331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5468898304 + 7844999184 = 73952^2 + 88572^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372898 + ... + 407038.

Almost surely, 2^13313897488 is an apocalyptic number.

It is an amenable number.

13313897488 is a deficient number, since it is larger than the sum of its proper divisors (12483592860).

13313897488 is a wasteful number, since it uses less digits than its factorization.

13313897488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58522 (or 58516 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The spelling of 13313897488 in words is "thirteen billion, three hundred thirteen million, eight hundred ninety-seven thousand, four hundred eighty-eight".