2143731523748 has 12 divisors (see below), whose sum is σ = 3751868433180. Its totient is φ = 1071769114272.

The previous prime is 2143731523741. The next prime is 2143731523757. The reversal of 2143731523748 is 8473251373412.

It can be written as a sum of positive squares in 2 ways, for example, as 1367725572004 + 776005951744 = 1169498^2 + 880912^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2143731523696 and 2143731523705.

It is not an unprimeable number, because it can be changed into a prime (2143731523741) 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, 24111983 + ... + 24200726.

It is an arithmetic number, because the mean of its divisors is an integer number (312655702765).

Almost surely, 2^{2143731523748} is an apocalyptic number.

It is an amenable number.

2143731523748 is a deficient number, since it is larger than the sum of its proper divisors (1608136909432).

2143731523748 is a wasteful number, since it uses less digits than its factorization.

2143731523748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48323806 (or 48323804 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The spelling of 2143731523748 in words is "two trillion, one hundred forty-three billion, seven hundred thirty-one million, five hundred twenty-three thousand, seven hundred forty-eight".