820714445153 has 2 divisors, whose sum is σ = 820714445154. Its totient is φ = 820714445152.

The previous prime is 820714445149. The next prime is 820714445179. The reversal of 820714445153 is 351544417028.

It is a happy number.

820714445153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698013462784 + 122700982369 = 835472^2 + 350287^2 .

It is a cyclic number.

It is not a de Polignac number, because 820714445153 - 2² = 820714445149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (820714445123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410357222576 + 410357222577.

It is an arithmetic number, because the mean of its divisors is an integer number (410357222577).

Almost surely, 2^820714445153 is an apocalyptic number.

It is an amenable number.

820714445153 is a deficient number, since it is larger than the sum of its proper divisors (1).

820714445153 is an equidigital number, since it uses as much as digits as its factorization.

820714445153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 820714445153 in words is "eight hundred twenty billion, seven hundred fourteen million, four hundred forty-five thousand, one hundred fifty-three".