2071064221 has 2 divisors, whose sum is σ = 2071064222. Its totient is φ = 2071064220.

The previous prime is 2071064173. The next prime is 2071064227. The reversal of 2071064221 is 1224601702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2068976196 + 2088025 = 45486^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071064221 - 2²⁷ = 1936846493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071064227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035532110 + 1035532111.

It is an arithmetic number, because the mean of its divisors is an integer number (1035532111).

Almost surely, 2^2071064221 is an apocalyptic number.

It is an amenable number.

2071064221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071064221 is an equidigital number, since it uses as much as digits as its factorization.

2071064221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2071064221 is about 45508.9466039371. The cubic root of 2071064221 is about 1274.6702663418.

Adding to 2071064221 its reverse (1224601702), we get a palindrome (3295665923).

The spelling of 2071064221 in words is "two billion, seventy-one million, sixty-four thousand, two hundred twenty-one".