4520444551057 has 2 divisors, whose sum is σ = 4520444551058. Its totient is φ = 4520444551056.

The previous prime is 4520444550991. The next prime is 4520444551067. The reversal of 4520444551057 is 7501554440254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4111664620176 + 408779930881 = 2027724^2 + 639359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4520444551057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4520444550998 and 4520444551016.

It is not a weakly prime, because it can be changed into another prime (4520444551067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260222275528 + 2260222275529.

It is an arithmetic number, because the mean of its divisors is an integer number (2260222275529).

Almost surely, 2^{4520444551057} is an apocalyptic number.

It is an amenable number.

4520444551057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520444551057 is an equidigital number, since it uses as much as digits as its factorization.

4520444551057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240000, while the sum is 46.

The spelling of 4520444551057 in words is "four trillion, five hundred twenty billion, four hundred forty-four million, five hundred fifty-one thousand, fifty-seven".