5243045013245 has 8 divisors (see below), whose sum is σ = 6775627401816. Its totient is φ = 3871787086656.

The previous prime is 5243045013149. The next prime is 5243045013257. The reversal of 5243045013245 is 5423105403425.

It can be written as a sum of positive squares in 4 ways, for example, as 579678185956 + 4663366827289 = 761366^2 + 2159483^2 .

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 5243045013245 - 2¹⁶ = 5243044947709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5243045013199 and 5243045013208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40331115422 + ... + 40331115551.

It is an arithmetic number, because the mean of its divisors is an integer number (846953425227).

Almost surely, 2^{5243045013245} is an apocalyptic number.

It is an amenable number.

5243045013245 is a deficient number, since it is larger than the sum of its proper divisors (1532582388571).

5243045013245 is a wasteful number, since it uses less digits than its factorization.

5243045013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80662230991.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 5243045013245 in words is "five trillion, two hundred forty-three billion, forty-five million, thirteen thousand, two hundred forty-five".