1443483947 has 2 divisors, whose sum is σ = 1443483948. Its totient is φ = 1443483946.

The previous prime is 1443483929. The next prime is 1443483949. The reversal of 1443483947 is 7493843441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1443483947 - 2¹⁶ = 1443418411 is a prime.

Together with 1443483949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1443483949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721741973 + 721741974.

It is an arithmetic number, because the mean of its divisors is an integer number (721741974).

Almost surely, 2^1443483947 is an apocalyptic number.

1443483947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443483947 is an equidigital number, since it uses as much as digits as its factorization.

1443483947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 47.

The square root of 1443483947 is about 37993.2092221755. The cubic root of 1443483947 is about 1130.1532010941.

The spelling of 1443483947 in words is "one billion, four hundred forty-three million, four hundred eighty-three thousand, nine hundred forty-seven".