12293436485944 has 8 divisors (see below), whose sum is σ = 23050193411160. Its totient is φ = 6146718242968.

The previous prime is 12293436485923. The next prime is 12293436485947. The reversal of 12293436485944 is 44958463439221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12293436485944² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12293436485947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768339780364 + ... + 768339780379.

It is an arithmetic number, because the mean of its divisors is an integer number (2881274176395).

Almost surely, 2^{12293436485944} is an apocalyptic number.

It is an amenable number.

12293436485944 is a deficient number, since it is larger than the sum of its proper divisors (10756756925216).

12293436485944 is a wasteful number, since it uses less digits than its factorization.

12293436485944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536679560749 (or 1536679560745 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 64.

The spelling of 12293436485944 in words is "twelve trillion, two hundred ninety-three billion, four hundred thirty-six million, four hundred eighty-five thousand, nine hundred forty-four".