13285371648 has 36 divisors (see below), whose sum is σ = 35358465128. Its totient is φ = 4428456960.

The previous prime is 13285371647. The next prime is 13285371683. The reversal of 13285371648 is 84617358231.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 13285371597 and 13285371606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13285371641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8648563 + ... + 8650098.

Almost surely, 2^13285371648 is an apocalyptic number.

It is an amenable number.

13285371648 is an abundant number, since it is smaller than the sum of its proper divisors (22073093480).

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

13285371648 is an equidigital number, since it uses as much as digits as its factorization.

13285371648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17298680 (or 17298666 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 13285371648 in words is "thirteen billion, two hundred eighty-five million, three hundred seventy-one thousand, six hundred forty-eight".