1284377483 has 2 divisors, whose sum is σ = 1284377484. Its totient is φ = 1284377482.

The previous prime is 1284377459. The next prime is 1284377519. The reversal of 1284377483 is 3847734821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1284377483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1284377443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642188741 + 642188742.

It is an arithmetic number, because the mean of its divisors is an integer number (642188742).

Almost surely, 2^1284377483 is an apocalyptic number.

1284377483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284377483 is an equidigital number, since it uses as much as digits as its factorization.

1284377483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The square root of 1284377483 is about 35838.2126088900. The cubic root of 1284377483 is about 1087.0033796764.

The spelling of 1284377483 in words is "one billion, two hundred eighty-four million, three hundred seventy-seven thousand, four hundred eighty-three".