620607701173 has 2 divisors, whose sum is σ = 620607701174. Its totient is φ = 620607701172.

The previous prime is 620607701099. The next prime is 620607701267. The reversal of 620607701173 is 371107706026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465503269284 + 155104431889 = 682278^2 + 393833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620607701173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620607701473) 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, 310303850586 + 310303850587.

It is an arithmetic number, because the mean of its divisors is an integer number (310303850587).

Almost surely, 2^620607701173 is an apocalyptic number.

It is an amenable number.

620607701173 is a deficient number, since it is larger than the sum of its proper divisors (1).

620607701173 is an equidigital number, since it uses as much as digits as its factorization.

620607701173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 620607701173 in words is "six hundred twenty billion, six hundred seven million, seven hundred one thousand, one hundred seventy-three".