2636034221 has 2 divisors, whose sum is σ = 2636034222. Its totient is φ = 2636034220.

The previous prime is 2636034173. The next prime is 2636034241. The reversal of 2636034221 is 1224306362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2060706025 + 575328196 = 45395^2 + 23986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2636034221 - 2⁶ = 2636034157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2636034241) 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, 1318017110 + 1318017111.

It is an arithmetic number, because the mean of its divisors is an integer number (1318017111).

Almost surely, 2^2636034221 is an apocalyptic number.

It is an amenable number.

2636034221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2636034221 is an equidigital number, since it uses as much as digits as its factorization.

2636034221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2636034221 is about 51342.3238761161. The cubic root of 2636034221 is about 1381.3922483913.

The spelling of 2636034221 in words is "two billion, six hundred thirty-six million, thirty-four thousand, two hundred twenty-one".