2143075784026 has 4 divisors (see below), whose sum is σ = 3214613676042. Its totient is φ = 1071537892012.

The previous prime is 2143075784009. The next prime is 2143075784041. The reversal of 2143075784026 is 6204875703412.

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

It can be written as a sum of positive squares in only one way, i.e., 1435120141225 + 707955642801 = 1197965^2 + 841401^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535768946005 + ... + 535768946008.

Almost surely, 2^{2143075784026} is an apocalyptic number.

2143075784026 is a deficient number, since it is larger than the sum of its proper divisors (1071537892016).

2143075784026 is a wasteful number, since it uses less digits than its factorization.

2143075784026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071537892015.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 2143075784026 in words is "two trillion, one hundred forty-three billion, seventy-five million, seven hundred eighty-four thousand, twenty-six".