2086810213 has 2 divisors, whose sum is σ = 2086810214. Its totient is φ = 2086810212.

The previous prime is 2086810189. The next prime is 2086810259. The reversal of 2086810213 is 3120186802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2070432004 + 16378209 = 45502^2 + 4047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086810213 - 2²¹ = 2084713061 is a prime.

It is a super-2 number, since 2×2086810213² = 8709553730162210738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086810273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043405106 + 1043405107.

It is an arithmetic number, because the mean of its divisors is an integer number (1043405107).

Almost surely, 2^2086810213 is an apocalyptic number.

It is an amenable number.

2086810213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086810213 is an equidigital number, since it uses as much as digits as its factorization.

2086810213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2086810213 is about 45681.6178894750. The cubic root of 2086810213 is about 1277.8924899540.

The spelling of 2086810213 in words is "two billion, eighty-six million, eight hundred ten thousand, two hundred thirteen".