5625789842557 has 2 divisors, whose sum is σ = 5625789842558. Its totient is φ = 5625789842556.

The previous prime is 5625789842549. The next prime is 5625789842581. The reversal of 5625789842557 is 7552489875265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5344183439001 + 281606403556 = 2311749^2 + 530666^2 .

It is a cyclic number.

It is not a de Polignac number, because 5625789842557 - 2³ = 5625789842549 is a prime.

It is a super-2 number, since 2×5625789842557² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5625789842557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5625789840557) 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 as a sum of consecutive naturals, namely, 2812894921278 + 2812894921279.

It is an arithmetic number, because the mean of its divisors is an integer number (2812894921279).

Almost surely, 2^{5625789842557} is an apocalyptic number.

It is an amenable number.

5625789842557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5625789842557 is an equidigital number, since it uses as much as digits as its factorization.

5625789842557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440000, while the sum is 73.

The spelling of 5625789842557 in words is "five trillion, six hundred twenty-five billion, seven hundred eighty-nine million, eight hundred forty-two thousand, five hundred fifty-seven".