620796563753 has 2 divisors, whose sum is σ = 620796563754. Its totient is φ = 620796563752.

The previous prime is 620796563749. The next prime is 620796563773. The reversal of 620796563753 is 357365697026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366979100944 + 253817462809 = 605788^2 + 503803^2 .

It is a cyclic number.

It is not a de Polignac number, because 620796563753 - 2² = 620796563749 is a prime.

It is a super-3 number, since 3×620796563753³ (a number of 36 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 620796563692 and 620796563701.

It is not a weakly prime, because it can be changed into another prime (620796563773) 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, 310398281876 + 310398281877.

It is an arithmetic number, because the mean of its divisors is an integer number (310398281877).

Almost surely, 2^620796563753 is an apocalyptic number.

It is an amenable number.

620796563753 is a deficient number, since it is larger than the sum of its proper divisors (1).

620796563753 is an equidigital number, since it uses as much as digits as its factorization.

620796563753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42865200, while the sum is 59.

The spelling of 620796563753 in words is "six hundred twenty billion, seven hundred ninety-six million, five hundred sixty-three thousand, seven hundred fifty-three".