620036652281 has 2 divisors, whose sum is σ = 620036652282. Its totient is φ = 620036652280.

The previous prime is 620036652253. The next prime is 620036652311. The reversal of 620036652281 is 182256630026.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619512242281 + 524410000 = 787091^2 + 22900^2 .

It is a cyclic number.

It is not a de Polignac number, because 620036652281 - 2⁶ = 620036652217 is a prime.

It is a super-2 number, since 2×620036652281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (620036652241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310018326140 + 310018326141.

It is an arithmetic number, because the mean of its divisors is an integer number (310018326141).

Almost surely, 2^620036652281 is an apocalyptic number.

It is an amenable number.

620036652281 is a deficient number, since it is larger than the sum of its proper divisors (1).

620036652281 is an equidigital number, since it uses as much as digits as its factorization.

620036652281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 620036652281 in words is "six hundred twenty billion, thirty-six million, six hundred fifty-two thousand, two hundred eighty-one".