1424639443 has 2 divisors, whose sum is σ = 1424639444. Its totient is φ = 1424639442.

The previous prime is 1424639431. The next prime is 1424639459. The reversal of 1424639443 is 3449364241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1424639443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1424639396 and 1424639405.

It is not a weakly prime, because it can be changed into another prime (1424639143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712319721 + 712319722.

It is an arithmetic number, because the mean of its divisors is an integer number (712319722).

Almost surely, 2^1424639443 is an apocalyptic number.

1424639443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424639443 is an equidigital number, since it uses as much as digits as its factorization.

1424639443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 40.

The square root of 1424639443 is about 37744.3961800954. The cubic root of 1424639443 is about 1125.2136398877.

The spelling of 1424639443 in words is "one billion, four hundred twenty-four million, six hundred thirty-nine thousand, four hundred forty-three".