1284413447 has 2 divisors, whose sum is σ = 1284413448. Its totient is φ = 1284413446.

The previous prime is 1284413423. The next prime is 1284413491. The reversal of 1284413447 is 7443144821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1284413447 - 2¹⁸ = 1284151303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1284413447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1284413407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642206723 + 642206724.

It is an arithmetic number, because the mean of its divisors is an integer number (642206724).

Almost surely, 2^1284413447 is an apocalyptic number.

1284413447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284413447 is an equidigital number, since it uses as much as digits as its factorization.

1284413447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 38.

The square root of 1284413447 is about 35838.7143603115. The cubic root of 1284413447 is about 1087.0135253502.

The spelling of 1284413447 in words is "one billion, two hundred eighty-four million, four hundred thirteen thousand, four hundred forty-seven".