5204784450545 has 8 divisors (see below), whose sum is σ = 6245830974120. Its totient is φ = 4163767804800.

The previous prime is 5204784450521. The next prime is 5204784450559. The reversal of 5204784450545 is 5450544874025.

It can be written as a sum of positive squares in 4 ways, for example, as 27958180849 + 5176826269696 = 167207^2 + 2275264^2 .

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

It is not a de Polignac number, because 5204784450545 - 2⁴⁰ = 4105272822769 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7084406 + ... + 7784495.

It is an arithmetic number, because the mean of its divisors is an integer number (780728871765).

Almost surely, 2^{5204784450545} is an apocalyptic number.

It is an amenable number.

5204784450545 is a deficient number, since it is larger than the sum of its proper divisors (1041046523575).

5204784450545 is a wasteful number, since it uses less digits than its factorization.

5204784450545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938915.

The product of its (nonzero) digits is 17920000, while the sum is 53.

The spelling of 5204784450545 in words is "five trillion, two hundred four billion, seven hundred eighty-four million, four hundred fifty thousand, five hundred forty-five".