1447323649 has 8 divisors (see below), whose sum is σ = 1454749632. Its totient is φ = 1439916720.

The previous prime is 1447323643. The next prime is 1447323671. The reversal of 1447323649 is 9463237441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1447323649 - 2²³ = 1438935041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1447323643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162147 + ... + 170839.

It is an arithmetic number, because the mean of its divisors is an integer number (181843704).

Almost surely, 2^1447323649 is an apocalyptic number.

It is an amenable number.

1447323649 is a deficient number, since it is larger than the sum of its proper divisors (7425983).

1447323649 is an equidigital number, since it uses as much as digits as its factorization.

1447323649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527.

The product of its digits is 435456, while the sum is 43.

The square root of 1447323649 is about 38043.7070880323. The cubic root of 1447323649 is about 1131.1543921153.

The spelling of 1447323649 in words is "one billion, four hundred forty-seven million, three hundred twenty-three thousand, six hundred forty-nine".