13351981452 has 12 divisors (see below), whose sum is σ = 31154623416. Its totient is φ = 4450660480.

The previous prime is 13351981439. The next prime is 13351981457. The reversal of 13351981452 is 25418915331.

It is a happy number.

13351981452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13351981457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556332549 + ... + 556332572.

It is an arithmetic number, because the mean of its divisors is an integer number (2596218618).

Almost surely, 2^13351981452 is an apocalyptic number.

13351981452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13351981452 is an abundant number, since it is smaller than the sum of its proper divisors (17802641964).

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

13351981452 is a wasteful number, since it uses less digits than its factorization.

13351981452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112665128 (or 1112665126 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 13351981452 in words is "thirteen billion, three hundred fifty-one million, nine hundred eighty-one thousand, four hundred fifty-two".