1447646147 has 2 divisors, whose sum is σ = 1447646148. Its totient is φ = 1447646146.

The previous prime is 1447646141. The next prime is 1447646149. The reversal of 1447646147 is 7416467441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1447646147 - 2¹⁰ = 1447645123 is a prime.

Together with 1447646149, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1447646098 and 1447646107.

It is not a weakly prime, because it can be changed into another prime (1447646141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723823073 + 723823074.

It is an arithmetic number, because the mean of its divisors is an integer number (723823074).

Almost surely, 2^1447646147 is an apocalyptic number.

1447646147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447646147 is an equidigital number, since it uses as much as digits as its factorization.

1447646147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 44.

The square root of 1447646147 is about 38047.9453715966. The cubic root of 1447646147 is about 1131.2384018753.

The spelling of 1447646147 in words is "one billion, four hundred forty-seven million, six hundred forty-six thousand, one hundred forty-seven".