620345738227 has 2 divisors, whose sum is σ = 620345738228. Its totient is φ = 620345738226.

The previous prime is 620345738153. The next prime is 620345738267. The reversal of 620345738227 is 722837543026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620345738227 - 2⁷ = 620345738099 is a prime.

It is not a weakly prime, because it can be changed into another prime (620345738267) 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, 310172869113 + 310172869114.

It is an arithmetic number, because the mean of its divisors is an integer number (310172869114).

Almost surely, 2^620345738227 is an apocalyptic number.

620345738227 is a deficient number, since it is larger than the sum of its proper divisors (1).

620345738227 is an equidigital number, since it uses as much as digits as its factorization.

620345738227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 620345738227 in words is "six hundred twenty billion, three hundred forty-five million, seven hundred thirty-eight thousand, two hundred twenty-seven".