2021363473 has 2 divisors, whose sum is σ = 2021363474. Its totient is φ = 2021363472.

The previous prime is 2021363447. The next prime is 2021363537. The reversal of 2021363473 is 3743631202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1799710929 + 221652544 = 42423^2 + 14888^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021363473 - 2⁹ = 2021362961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021363413) 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, 1010681736 + 1010681737.

It is an arithmetic number, because the mean of its divisors is an integer number (1010681737).

Almost surely, 2^2021363473 is an apocalyptic number.

It is an amenable number.

2021363473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021363473 is an equidigital number, since it uses as much as digits as its factorization.

2021363473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 2021363473 is about 44959.5759877693. The cubic root of 2021363473 is about 1264.3912193068.

Adding to 2021363473 its reverse (3743631202), we get a palindrome (5764994675).

The spelling of 2021363473 in words is "two billion, twenty-one million, three hundred sixty-three thousand, four hundred seventy-three".