1447338993 has 8 divisors (see below), whose sum is σ = 1931463648. Its totient is φ = 964053504.

The previous prime is 1447338983. The next prime is 1447339007. The reversal of 1447338993 is 3998337441.

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

It is not a de Polignac number, because 1447338993 - 2⁶ = 1447338929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1447338983) 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, 205755 + ... + 212672.

It is an arithmetic number, because the mean of its divisors is an integer number (241432956).

Almost surely, 2^1447338993 is an apocalyptic number.

It is an amenable number.

1447338993 is a deficient number, since it is larger than the sum of its proper divisors (484124655).

1447338993 is a wasteful number, since it uses less digits than its factorization.

1447338993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419583.

The product of its digits is 1959552, while the sum is 51.

The square root of 1447338993 is about 38043.9087502848. The cubic root of 1447338993 is about 1131.1583894639.

The spelling of 1447338993 in words is "one billion, four hundred forty-seven million, three hundred thirty-eight thousand, nine hundred ninety-three".