1284273767659 has 2 divisors, whose sum is σ = 1284273767660. Its totient is φ = 1284273767658.

The previous prime is 1284273767633. The next prime is 1284273767729. The reversal of 1284273767659 is 9567673724821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1284273767659 is a prime.

It is a super-2 number, since 2×1284273767659² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1284273767594 and 1284273767603.

It is not a weakly prime, because it can be changed into another prime (1284273764659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642136883829 + 642136883830.

It is an arithmetic number, because the mean of its divisors is an integer number (642136883830).

Almost surely, 2^{1284273767659} is an apocalyptic number.

1284273767659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284273767659 is an equidigital number, since it uses as much as digits as its factorization.

1284273767659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 213373440, while the sum is 67.

The spelling of 1284273767659 in words is "one trillion, two hundred eighty-four billion, two hundred seventy-three million, seven hundred sixty-seven thousand, six hundred fifty-nine".