1428243411 has 8 divisors (see below), whose sum is σ = 2176370944. Its totient is φ = 816139080.

The previous prime is 1428243403. The next prime is 1428243419. The reversal of 1428243411 is 1143428241.

It is an interprime number because it is at equal distance from previous prime (1428243403) and next prime (1428243419).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1428243411 - 2³ = 1428243403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428243419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34005775 + ... + 34005816.

It is an arithmetic number, because the mean of its divisors is an integer number (272046368).

Almost surely, 2^1428243411 is an apocalyptic number.

1428243411 is a deficient number, since it is larger than the sum of its proper divisors (748127533).

1428243411 is an equidigital number, since it uses as much as digits as its factorization.

1428243411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68011601.

The product of its digits is 6144, while the sum is 30.

The square root of 1428243411 is about 37792.1077872087. The cubic root of 1428243411 is about 1126.1616737232.

The spelling of 1428243411 in words is "one billion, four hundred twenty-eight million, two hundred forty-three thousand, four hundred eleven".