1428243419 has 2 divisors, whose sum is σ = 1428243420. Its totient is φ = 1428243418.

The previous prime is 1428243403. The next prime is 1428243461. The reversal of 1428243419 is 9143428241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1428243419 - 2⁴ = 1428243403 is a prime.

It is a super-2 number, since 2×1428243419² = 4079758527833619122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1428243119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714121709 + 714121710.

It is an arithmetic number, because the mean of its divisors is an integer number (714121710).

Almost surely, 2^1428243419 is an apocalyptic number.

1428243419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428243419 is an equidigital number, since it uses as much as digits as its factorization.

1428243419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 1428243419 is about 37792.1078930509. The cubic root of 1428243419 is about 1126.1616758258.

The spelling of 1428243419 in words is "one billion, four hundred twenty-eight million, two hundred forty-three thousand, four hundred nineteen".