4122444242543 has 4 divisors (see below), whose sum is σ = 4497211900968. Its totient is φ = 3747676584120.

The previous prime is 4122444242479. The next prime is 4122444242569. The reversal of 4122444242543 is 3452424442214.

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 4122444242543 - 2⁶ = 4122444242479 is a prime.

It is a super-2 number, since 2×4122444242543² (a number of 26 digits) 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 4122444242543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122444241543) 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, 187383829196 + ... + 187383829217.

It is an arithmetic number, because the mean of its divisors is an integer number (1124302975242).

Almost surely, 2^{4122444242543} is an apocalyptic number.

4122444242543 is a deficient number, since it is larger than the sum of its proper divisors (374767658425).

4122444242543 is a wasteful number, since it uses less digits than its factorization.

4122444242543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374767658424.

The product of its digits is 983040, while the sum is 41.

Adding to 4122444242543 its reverse (3452424442214), we get a palindrome (7574868684757).

The spelling of 4122444242543 in words is "four trillion, one hundred twenty-two billion, four hundred forty-four million, two hundred forty-two thousand, five hundred forty-three".