1284984605047 has 16 divisors (see below), whose sum is σ = 1509739086240. Its totient is φ = 1078232457600.

The previous prime is 1284984605029. The next prime is 1284984605117. The reversal of 1284984605047 is 7405064894821.

It is a cyclic number.

It is not a de Polignac number, because 1284984605047 - 2¹¹ = 1284984602999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1284984604982 and 1284984605000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284984605017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757229 + ... + 2378617.

It is an arithmetic number, because the mean of its divisors is an integer number (94358692890).

Almost surely, 2^{1284984605047} is an apocalyptic number.

1284984605047 is a deficient number, since it is larger than the sum of its proper divisors (224754481193).

1284984605047 is a wasteful number, since it uses less digits than its factorization.

1284984605047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635874.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 1284984605047 in words is "one trillion, two hundred eighty-four billion, nine hundred eighty-four million, six hundred five thousand, forty-seven".