4520444551313 has 4 divisors (see below), whose sum is σ = 4521606922020. Its totient is φ = 4519282180608.

The previous prime is 4520444551291. The next prime is 4520444551387. The reversal of 4520444551313 is 3131554440254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3350774182144 + 1169670369169 = 1830512^2 + 1081513^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520444551313 - 2⁸ = 4520444551057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520444551393) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 581179520 + ... + 581187297.

It is an arithmetic number, because the mean of its divisors is an integer number (1130401730505).

Almost surely, 2^{4520444551313} is an apocalyptic number.

It is an amenable number.

4520444551313 is a deficient number, since it is larger than the sum of its proper divisors (1162370707).

4520444551313 is a wasteful number, since it uses less digits than its factorization.

4520444551313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162370706.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 4520444551313 its reverse (3131554440254), we get a palindrome (7651998991567).

The spelling of 4520444551313 in words is "four trillion, five hundred twenty billion, four hundred forty-four million, five hundred fifty-one thousand, three hundred thirteen".