12391894533353 has 8 divisors (see below), whose sum is σ = 12839437248648. Its totient is φ = 11950279536384.

The previous prime is 12391894533331. The next prime is 12391894533391. The reversal of 12391894533353 is 35333549819321.

12391894533353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17596818409 + 12374297714944 = 132653^2 + 3517712^2 .

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 12391894533353 - 2²⁸ = 12391626097897 is a prime.

It is a super-3 number, since 3×12391894533353³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12391894533292 and 12391894533301.

It is not an unprimeable number, because it can be changed into a prime (12391894533553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481925326 + ... + 1481933687.

It is an arithmetic number, because the mean of its divisors is an integer number (1604929656081).

Almost surely, 2^{12391894533353} is an apocalyptic number.

It is an amenable number.

12391894533353 is a deficient number, since it is larger than the sum of its proper divisors (447542715295).

12391894533353 is a wasteful number, since it uses less digits than its factorization.

12391894533353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963859163.

The product of its digits is 31492800, while the sum is 59.

The spelling of 12391894533353 in words is "twelve trillion, three hundred ninety-one billion, eight hundred ninety-four million, five hundred thirty-three thousand, three hundred fifty-three".