13253747861 has 8 divisors (see below), whose sum is σ = 13836317184. Its totient is φ = 12671705200.

The previous prime is 13253747851. The next prime is 13253747867. The reversal of 13253747861 is 16874735231.

It is a happy number.

13253747861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13253747861 - 2²² = 13249553557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13253747867) 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 7 ways as a sum of consecutive naturals, for example, 79790 + ... + 181311.

It is an arithmetic number, because the mean of its divisors is an integer number (1729539648).

Almost surely, 2^13253747861 is an apocalyptic number.

It is an amenable number.

13253747861 is a deficient number, since it is larger than the sum of its proper divisors (582569323).

13253747861 is a wasteful number, since it uses less digits than its factorization.

13253747861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263331.

The product of its digits is 846720, while the sum is 47.

The spelling of 13253747861 in words is "thirteen billion, two hundred fifty-three million, seven hundred forty-seven thousand, eight hundred sixty-one".