1285486339 has 2 divisors, whose sum is σ = 1285486340. Its totient is φ = 1285486338.

The previous prime is 1285486313. The next prime is 1285486351. The reversal of 1285486339 is 9336845821.

It is a strong prime.

It is an emirp because it is prime and its reverse (9336845821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1285486339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1285486292 and 1285486301.

It is not a weakly prime, because it can be changed into another prime (1285486309) 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, 642743169 + 642743170.

It is an arithmetic number, because the mean of its divisors is an integer number (642743170).

Almost surely, 2^1285486339 is an apocalyptic number.

1285486339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285486339 is an equidigital number, since it uses as much as digits as its factorization.

1285486339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 49.

The square root of 1285486339 is about 35853.6795740688. The cubic root of 1285486339 is about 1087.3161079648.

The spelling of 1285486339 in words is "one billion, two hundred eighty-five million, four hundred eighty-six thousand, three hundred thirty-nine".