1447748999 has 2 divisors, whose sum is σ = 1447749000. Its totient is φ = 1447748998.

The previous prime is 1447748963. The next prime is 1447749029. The reversal of 1447748999 is 9998477441.

It is a strong prime.

It is an emirp because it is prime and its reverse (9998477441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1447748999 - 2¹⁶ = 1447683463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447748699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723874499 + 723874500.

It is an arithmetic number, because the mean of its divisors is an integer number (723874500).

Almost surely, 2^1447748999 is an apocalyptic number.

1447748999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447748999 is an equidigital number, since it uses as much as digits as its factorization.

1447748999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 62.

The square root of 1447748999 is about 38049.2969580254. The cubic root of 1447748999 is about 1131.2651918882.

The spelling of 1447748999 in words is "one billion, four hundred forty-seven million, seven hundred forty-eight thousand, nine hundred ninety-nine".