1284745028348 has 12 divisors (see below), whose sum is σ = 2309068767432. Its totient is φ = 625011094800.

The previous prime is 1284745028323. The next prime is 1284745028393. The reversal of 1284745028348 is 8438205474821.

It is a junction number, because it is equal to n+sod(n) for n = 1284745028293 and 1284745028302.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4340354678 + ... + 4340354973.

It is an arithmetic number, because the mean of its divisors is an integer number (192422397286).

Almost surely, 2^{1284745028348} is an apocalyptic number.

It is an amenable number.

1284745028348 is a deficient number, since it is larger than the sum of its proper divisors (1024323739084).

1284745028348 is a wasteful number, since it uses less digits than its factorization.

1284745028348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680709692 (or 8680709690 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 56.

The spelling of 1284745028348 in words is "one trillion, two hundred eighty-four billion, seven hundred forty-five million, twenty-eight thousand, three hundred forty-eight".