2134242220243 has 4 divisors (see below), whose sum is σ = 2439133966000. Its totient is φ = 1829350474488.

The previous prime is 2134242220217. The next prime is 2134242220249. The reversal of 2134242220243 is 3420222424312.

It is a happy number.

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 2134242220243 - 2⁵ = 2134242220211 is a prime.

It is a super-3 number, since 3×2134242220243³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134242220249) 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, 152445872868 + ... + 152445872881.

It is an arithmetic number, because the mean of its divisors is an integer number (609783491500).

Almost surely, 2^{2134242220243} is an apocalyptic number.

2134242220243 is a deficient number, since it is larger than the sum of its proper divisors (304891745757).

2134242220243 is an equidigital number, since it uses as much as digits as its factorization.

2134242220243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304891745756.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2134242220243 its reverse (3420222424312), we get a palindrome (5554464644555).

The spelling of 2134242220243 in words is "two trillion, one hundred thirty-four billion, two hundred forty-two million, two hundred twenty thousand, two hundred forty-three".