1375324443 has 18 divisors (see below), whose sum is σ = 2096644524. Its totient is φ = 868623912.

The previous prime is 1375324441. The next prime is 1375324451. The reversal of 1375324443 is 3444235731.

1375324443 is a `hidden beast` number, since 1 + 375 + 3 + 244 + 43 = 666.

It is not a de Polignac number, because 1375324443 - 2¹ = 1375324441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375324398 and 1375324407.

It is not an unprimeable number, because it can be changed into a prime (1375324441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 208405 + ... + 214902.

Almost surely, 2^1375324443 is an apocalyptic number.

1375324443 is a deficient number, since it is larger than the sum of its proper divisors (721320081).

1375324443 is a wasteful number, since it uses less digits than its factorization.

1375324443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423351 (or 423329 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 1375324443 is about 37085.3669659611. The cubic root of 1375324443 is about 1112.0774995910.

The spelling of 1375324443 in words is "one billion, three hundred seventy-five million, three hundred twenty-four thousand, four hundred forty-three".