2036613221 has 2 divisors, whose sum is σ = 2036613222. Its totient is φ = 2036613220.

The previous prime is 2036613217. The next prime is 2036613233. The reversal of 2036613221 is 1223166302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1837408225 + 199204996 = 42865^2 + 14114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2036613221 - 2² = 2036613217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2036613251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018306610 + 1018306611.

It is an arithmetic number, because the mean of its divisors is an integer number (1018306611).

Almost surely, 2^2036613221 is an apocalyptic number.

It is an amenable number.

2036613221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2036613221 is an equidigital number, since it uses as much as digits as its factorization.

2036613221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2036613221 is about 45128.8513148739. The cubic root of 2036613221 is about 1267.5629003975.

Adding to 2036613221 its reverse (1223166302), we get a palindrome (3259779523).

The spelling of 2036613221 in words is "two billion, thirty-six million, six hundred thirteen thousand, two hundred twenty-one".