2209145579 has 2 divisors, whose sum is σ = 2209145580. Its totient is φ = 2209145578.

The previous prime is 2209145573. The next prime is 2209145677. The reversal of 2209145579 is 9755419022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2209145579 - 2¹⁶ = 2209080043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2209145573) 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, 1104572789 + 1104572790.

It is an arithmetic number, because the mean of its divisors is an integer number (1104572790).

Almost surely, 2^2209145579 is an apocalyptic number.

2209145579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209145579 is an equidigital number, since it uses as much as digits as its factorization.

2209145579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 2209145579 is about 47001.5486872507. The cubic root of 2209145579 is about 1302.3911767644.

The spelling of 2209145579 in words is "two billion, two hundred nine million, one hundred forty-five thousand, five hundred seventy-nine".