52020173389 has 2 divisors, whose sum is σ = 52020173390. Its totient is φ = 52020173388.

The previous prime is 52020173371. The next prime is 52020173393. The reversal of 52020173389 is 98337102025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52014556489 + 5616900 = 228067^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 52020173389 - 2³⁵ = 17660435021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52020173329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010086694 + 26010086695.

It is an arithmetic number, because the mean of its divisors is an integer number (26010086695).

Almost surely, 2^52020173389 is an apocalyptic number.

It is an amenable number.

52020173389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52020173389 is an equidigital number, since it uses as much as digits as its factorization.

52020173389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 52020173389 in words is "fifty-two billion, twenty million, one hundred seventy-three thousand, three hundred eighty-nine".