1247706470653 has 8 divisors (see below), whose sum is σ = 1308412078200. Its totient is φ = 1188179612928.

The previous prime is 1247706470651. The next prime is 1247706470669. The reversal of 1247706470653 is 3560746077421.

It can be written as a sum of positive squares in 4 ways, for example, as 187140164409 + 1060566306244 = 432597^2 + 1029838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1247706470653 - 2¹ = 1247706470651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1247706470653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247706470651) 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 in 7 ways as a sum of consecutive naturals, for example, 294685288 + ... + 294689521.

It is an arithmetic number, because the mean of its divisors is an integer number (163551509775).

Almost surely, 2^{1247706470653} is an apocalyptic number.

It is an amenable number.

1247706470653 is a deficient number, since it is larger than the sum of its proper divisors (60705607547).

1247706470653 is an equidigital number, since it uses as much as digits as its factorization.

1247706470653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589374911.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 1247706470653 in words is "one trillion, two hundred forty-seven billion, seven hundred six million, four hundred seventy thousand, six hundred fifty-three".