13349649852 has 120 divisors (see below), whose sum is σ = 43510051200. Its totient is φ = 3467435040.

The previous prime is 13349649799. The next prime is 13349649871. The reversal of 13349649852 is 25894694331.

13349649852 is a `hidden beast` number, since 1 + 33 + 496 + 49 + 85 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 242602 + ... + 292497.

It is an arithmetic number, because the mean of its divisors is an integer number (362583760).

Almost surely, 2^13349649852 is an apocalyptic number.

13349649852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13349649852 is an abundant number, since it is smaller than the sum of its proper divisors (30160401348).

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

13349649852 is a wasteful number, since it uses less digits than its factorization.

13349649852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535133 (or 535122 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 13349649852 in words is "thirteen billion, three hundred forty-nine million, six hundred forty-nine thousand, eight hundred fifty-two".