13253744820 has 48 divisors (see below), whose sum is σ = 37172334528. Its totient is φ = 3528441600.

The previous prime is 13253744783. The next prime is 13253744843. The reversal of 13253744820 is 2844735231.

13253744820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 147714 + ... + 219833.

It is an arithmetic number, because the mean of its divisors is an integer number (774423636).

Almost surely, 2^13253744820 is an apocalyptic number.

13253744820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13253744820 is an abundant number, since it is smaller than the sum of its proper divisors (23918589708).

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

13253744820 is a wasteful number, since it uses less digits than its factorization.

13253744820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368160 (or 368158 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 13253744820 in words is "thirteen billion, two hundred fifty-three million, seven hundred forty-four thousand, eight hundred twenty".