1424024443981 has 2 divisors, whose sum is σ = 1424024443982. Its totient is φ = 1424024443980.

The previous prime is 1424024443979. The next prime is 1424024444009. The reversal of 1424024443981 is 1893444204241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950771255625 + 473253188356 = 975075^2 + 687934^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424024443981 - 2¹ = 1424024443979 is a prime.

It is a super-2 number, since 2×1424024443981² (a number of 25 digits) contains 22 as substring.

Together with 1424024443979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424024443931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712012221990 + 712012221991.

It is an arithmetic number, because the mean of its divisors is an integer number (712012221991).

Almost surely, 2^{1424024443981} is an apocalyptic number.

It is an amenable number.

1424024443981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424024443981 is an equidigital number, since it uses as much as digits as its factorization.

1424024443981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 1424024443981 in words is "one trillion, four hundred twenty-four billion, twenty-four million, four hundred forty-three thousand, nine hundred eighty-one".