3421443042243 has 24 divisors (see below), whose sum is σ = 5202594457632. Its totient is φ = 2162481877248.

The previous prime is 3421443042239. The next prime is 3421443042257. The reversal of 3421443042243 is 3422403441243.

3421443042243 is a `hidden beast` number, since 3 + 4 + 214 + 430 + 4 + 2 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 3421443042243 - 2² = 3421443042239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3421443042198 and 3421443042207.

It is not an unprimeable number, because it can be changed into a prime (3421443042223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73112496 + ... + 73159277.

It is an arithmetic number, because the mean of its divisors is an integer number (216774769068).

Almost surely, 2^{3421443042243} is an apocalyptic number.

3421443042243 is a deficient number, since it is larger than the sum of its proper divisors (1781151415389).

3421443042243 is a wasteful number, since it uses less digits than its factorization.

3421443042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146271915 (or 146271912 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 3421443042243 its reverse (3422403441243), we get a palindrome (6843846483486).

The spelling of 3421443042243 in words is "three trillion, four hundred twenty-one billion, four hundred forty-three million, forty-two thousand, two hundred forty-three".