620152766173 has 2 divisors, whose sum is σ = 620152766174. Its totient is φ = 620152766172.

The previous prime is 620152766153. The next prime is 620152766249. The reversal of 620152766173 is 371667251026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602396404164 + 17756362009 = 776142^2 + 133253^2 .

It is a cyclic number.

It is not a de Polignac number, because 620152766173 - 2⁵ = 620152766141 is a prime.

It is a super-2 number, since 2×620152766173² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620152766113) 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, 310076383086 + 310076383087.

It is an arithmetic number, because the mean of its divisors is an integer number (310076383087).

Almost surely, 2^620152766173 is an apocalyptic number.

It is an amenable number.

620152766173 is a deficient number, since it is larger than the sum of its proper divisors (1).

620152766173 is an equidigital number, since it uses as much as digits as its factorization.

620152766173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 620152766173 in words is "six hundred twenty billion, one hundred fifty-two million, seven hundred sixty-six thousand, one hundred seventy-three".