1447381347 has 4 divisors (see below), whose sum is σ = 1929841800. Its totient is φ = 964920896.

The previous prime is 1447381337. The next prime is 1447381417. The reversal of 1447381347 is 7431837441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1447381347 - 2⁷ = 1447381219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1447381299 and 1447381308.

It is not an unprimeable number, because it can be changed into a prime (1447381337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241230222 + ... + 241230227.

It is an arithmetic number, because the mean of its divisors is an integer number (482460450).

Almost surely, 2^1447381347 is an apocalyptic number.

1447381347 is a deficient number, since it is larger than the sum of its proper divisors (482460453).

1447381347 is an equidigital number, since it uses as much as digits as its factorization.

1447381347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482460452.

The product of its digits is 225792, while the sum is 42.

The square root of 1447381347 is about 38044.4653924851. The cubic root of 1447381347 is about 1131.1694231875.

The spelling of 1447381347 in words is "one billion, four hundred forty-seven million, three hundred eighty-one thousand, three hundred forty-seven".