13093972456853 has 4 divisors (see below), whose sum is σ = 13141243115820. Its totient is φ = 13046701797888.

The previous prime is 13093972456837. The next prime is 13093972456907. The reversal of 13093972456853 is 35865427939031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7306300902289 + 5787671554564 = 2703017^2 + 2405758^2 .

It is a cyclic number.

It is not a de Polignac number, because 13093972456853 - 2⁴ = 13093972456837 is a prime.

It is a super-2 number, since 2×13093972456853² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13093972456853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13093974456853) 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, 23635329068 + ... + 23635329621.

It is an arithmetic number, because the mean of its divisors is an integer number (3285310778955).

It is a 1-persistent number, because it is pandigital, but 2⋅13093972456853 = 26187944913706 is not.

Almost surely, 2^{13093972456853} is an apocalyptic number.

It is an amenable number.

13093972456853 is a deficient number, since it is larger than the sum of its proper divisors (47270658967).

13093972456853 is an equidigital number, since it uses as much as digits as its factorization.

13093972456853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47270658966.

The product of its (nonzero) digits is 146966400, while the sum is 65.

The spelling of 13093972456853 in words is "thirteen trillion, ninety-three billion, nine hundred seventy-two million, four hundred fifty-six thousand, eight hundred fifty-three".