1338252443 has 4 divisors (see below), whose sum is σ = 1459911768. Its totient is φ = 1216593120.

The previous prime is 1338252437. The next prime is 1338252469. The reversal of 1338252443 is 3442528331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1338252443 - 2⁶ = 1338252379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338252743) 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, 60829646 + ... + 60829667.

It is an arithmetic number, because the mean of its divisors is an integer number (364977942).

Almost surely, 2^1338252443 is an apocalyptic number.

1338252443 is a deficient number, since it is larger than the sum of its proper divisors (121659325).

1338252443 is a wasteful number, since it uses less digits than its factorization.

1338252443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121659324.

The product of its digits is 69120, while the sum is 35.

The square root of 1338252443 is about 36582.1328383133. The cubic root of 1338252443 is about 1101.9943003297.

The spelling of 1338252443 in words is "one billion, three hundred thirty-eight million, two hundred fifty-two thousand, four hundred forty-three".