1427382443 has 4 divisors (see below), whose sum is σ = 1427458320. Its totient is φ = 1427306568.

The previous prime is 1427382421. The next prime is 1427382469. The reversal of 1427382443 is 3442837241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3442837241 = 857 ⋅4017313.

It is a cyclic number.

It is not a de Polignac number, because 1427382443 - 2¹⁰ = 1427381419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1427382397 and 1427382406.

It is not an unprimeable number, because it can be changed into a prime (1427382043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13793 + ... + 55181.

It is an arithmetic number, because the mean of its divisors is an integer number (356864580).

Almost surely, 2^1427382443 is an apocalyptic number.

1427382443 is a deficient number, since it is larger than the sum of its proper divisors (75877).

1427382443 is an equidigital number, since it uses as much as digits as its factorization.

1427382443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75876.

The product of its digits is 129024, while the sum is 38.

The square root of 1427382443 is about 37780.7152261574. The cubic root of 1427382443 is about 1125.9353388072.

The spelling of 1427382443 in words is "one billion, four hundred twenty-seven million, three hundred eighty-two thousand, four hundred forty-three".