4021412243443 has 64 divisors (see below), whose sum is σ = 4961977574400. Its totient is φ = 3181015498752.

The previous prime is 4021412243441. The next prime is 4021412243461. The reversal of 4021412243443 is 3443422141204.

It is not a de Polignac number, because 4021412243443 - 2¹ = 4021412243441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021412243399 and 4021412243408.

It is not an unprimeable number, because it can be changed into a prime (4021412243441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 873647980 + ... + 873652582.

It is an arithmetic number, because the mean of its divisors is an integer number (77530899600).

Almost surely, 2^{4021412243443} is an apocalyptic number.

4021412243443 is a deficient number, since it is larger than the sum of its proper divisors (940565330957).

4021412243443 is a wasteful number, since it uses less digits than its factorization.

4021412243443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 4021412243443 its reverse (3443422141204), we get a palindrome (7464834384647).

The spelling of 4021412243443 in words is "four trillion, twenty-one billion, four hundred twelve million, two hundred forty-three thousand, four hundred forty-three".