620367058709 has 2 divisors, whose sum is σ = 620367058710. Its totient is φ = 620367058708.

The previous prime is 620367058681. The next prime is 620367058721. The reversal of 620367058709 is 907850763026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476069640484 + 144297418225 = 689978^2 + 379865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620367058709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620363058709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310183529354 + 310183529355.

It is an arithmetic number, because the mean of its divisors is an integer number (310183529355).

Almost surely, 2^620367058709 is an apocalyptic number.

It is an amenable number.

620367058709 is a deficient number, since it is larger than the sum of its proper divisors (1).

620367058709 is an equidigital number, since it uses as much as digits as its factorization.

620367058709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 620367058709 in words is "six hundred twenty billion, three hundred sixty-seven million, fifty-eight thousand, seven hundred nine".