1429394443 has 2 divisors, whose sum is σ = 1429394444. Its totient is φ = 1429394442.

The previous prime is 1429394441. The next prime is 1429394509. The reversal of 1429394443 is 3444939241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1429394443 - 2¹ = 1429394441 is a prime.

Together with 1429394441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1429394443.

It is not a weakly prime, because it can be changed into another prime (1429394441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714697221 + 714697222.

It is an arithmetic number, because the mean of its divisors is an integer number (714697222).

Almost surely, 2^1429394443 is an apocalyptic number.

1429394443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429394443 is an equidigital number, since it uses as much as digits as its factorization.

1429394443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 1429394443 is about 37807.3331907978. Note that the first 3 decimals coincide. The cubic root of 1429394443 is about 1126.4641198494.

The spelling of 1429394443 in words is "one billion, four hundred twenty-nine million, three hundred ninety-four thousand, four hundred forty-three".