2142010243 has 4 divisors (see below), whose sum is σ = 2142106560. Its totient is φ = 2141913928.

The previous prime is 2142010237. The next prime is 2142010279. The reversal of 2142010243 is 3420102412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2142010243 - 2⁹ = 2142009731 is a prime.

It is a super-2 number, since 2×2142010243² = 9176415762233838098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142010243.

It is not an unprimeable number, because it can be changed into a prime (2142010043) 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, 4113 + ... + 65581.

It is an arithmetic number, because the mean of its divisors is an integer number (535526640).

Almost surely, 2^2142010243 is an apocalyptic number.

2142010243 is a deficient number, since it is larger than the sum of its proper divisors (96317).

2142010243 is an equidigital number, since it uses as much as digits as its factorization.

2142010243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96316.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2142010243 is about 46281.8565206713. The cubic root of 2142010243 is about 1289.0621236156.

Adding to 2142010243 its reverse (3420102412), we get a palindrome (5562112655).

The spelling of 2142010243 in words is "two billion, one hundred forty-two million, ten thousand, two hundred forty-three".