2143336255744 has 36 divisors (see below), whose sum is σ = 4393929856204. Its totient is φ = 1042704119808.

The previous prime is 2143336255741. The next prime is 2143336255751. The reversal of 2143336255744 is 4475526333412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1356013670400 + 787322585344 = 1164480^2 + 887312^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2143336255741) 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 3 ways as a sum of consecutive naturals, for example, 113131167 + ... + 113150110.

Almost surely, 2^{2143336255744} is an apocalyptic number.

It is an amenable number.

2143336255744 is an abundant number, since it is smaller than the sum of its proper divisors (2250593600460).

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

2143336255744 is an equidigital number, since it uses as much as digits as its factorization.

2143336255744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226281330 (or 226281316 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 49.

The spelling of 2143336255744 in words is "two trillion, one hundred forty-three billion, three hundred thirty-six million, two hundred fifty-five thousand, seven hundred forty-four".