2140550004143 has 4 divisors (see below), whose sum is σ = 2142100005528. Its totient is φ = 2139000002760.

The previous prime is 2140550004139. The next prime is 2140550004149. The reversal of 2140550004143 is 3414000550412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140550004143 - 2² = 2140550004139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140550004149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774998621 + ... + 775001382.

It is an arithmetic number, because the mean of its divisors is an integer number (535525001382).

Almost surely, 2^{2140550004143} is an apocalyptic number.

2140550004143 is a deficient number, since it is larger than the sum of its proper divisors (1550001385).

2140550004143 is a wasteful number, since it uses less digits than its factorization.

2140550004143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550001384.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2140550004143 its reverse (3414000550412), we get a palindrome (5554550554555).

The spelling of 2140550004143 in words is "two trillion, one hundred forty billion, five hundred fifty million, four thousand, one hundred forty-three".