1284469327 has 2 divisors, whose sum is σ = 1284469328. Its totient is φ = 1284469326.

The previous prime is 1284469309. The next prime is 1284469367. The reversal of 1284469327 is 7239644821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1284469327 is a prime.

It is a super-2 number, since 2×1284469327² = 3299722904007665858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1284469367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642234663 + 642234664.

It is an arithmetic number, because the mean of its divisors is an integer number (642234664).

Almost surely, 2^1284469327 is an apocalyptic number.

1284469327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284469327 is an equidigital number, since it uses as much as digits as its factorization.

1284469327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 1284469327 is about 35839.4939556908. The cubic root of 1284469327 is about 1087.0292890788.

The spelling of 1284469327 in words is "one billion, two hundred eighty-four million, four hundred sixty-nine thousand, three hundred twenty-seven".