4021444134263 has 2 divisors, whose sum is σ = 4021444134264. Its totient is φ = 4021444134262.

The previous prime is 4021444134251. The next prime is 4021444134269. The reversal of 4021444134263 is 3624314441204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021444134263 - 2¹² = 4021444130167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444134269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722067131 + 2010722067132.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722067132).

Almost surely, 2^{4021444134263} is an apocalyptic number.

4021444134263 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444134263 is an equidigital number, since it uses as much as digits as its factorization.

4021444134263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 4021444134263 its reverse (3624314441204), we get a palindrome (7645758575467).

The spelling of 4021444134263 in words is "four trillion, twenty-one billion, four hundred forty-four million, one hundred thirty-four thousand, two hundred sixty-three".