2068853021 has 2 divisors, whose sum is σ = 2068853022. Its totient is φ = 2068853020.

The previous prime is 2068852979. The next prime is 2068853041. The reversal of 2068853021 is 1203588602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1474176025 + 594676996 = 38395^2 + 24386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068853021 - 2¹⁰ = 2068851997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2068853041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034426510 + 1034426511.

It is an arithmetic number, because the mean of its divisors is an integer number (1034426511).

Almost surely, 2^2068853021 is an apocalyptic number.

It is an amenable number.

2068853021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068853021 is an equidigital number, since it uses as much as digits as its factorization.

2068853021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2068853021 is about 45484.6459918069. The cubic root of 2068853021 is about 1274.2164650951.

The spelling of 2068853021 in words is "two billion, sixty-eight million, eight hundred fifty-three thousand, twenty-one".