4043124214321 has 4 divisors (see below), whose sum is σ = 4043489887332. Its totient is φ = 4042758541312.

The previous prime is 4043124214313. The next prime is 4043124214331. The reversal of 4043124214321 is 1234124213404.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2102775509025 + 1940348705296 = 1450095^2 + 1392964^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043124214321 - 2³ = 4043124214313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043124214331) 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, 182819920 + ... + 182842033.

It is an arithmetic number, because the mean of its divisors is an integer number (1010872471833).

Almost surely, 2^{4043124214321} is an apocalyptic number.

It is an amenable number.

4043124214321 is a deficient number, since it is larger than the sum of its proper divisors (365673011).

4043124214321 is a wasteful number, since it uses less digits than its factorization.

4043124214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365673010.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4043124214321 its reverse (1234124213404), we get a palindrome (5277248427725).

The spelling of 4043124214321 in words is "four trillion, forty-three billion, one hundred twenty-four million, two hundred fourteen thousand, three hundred twenty-one".