2664586189 has 2 divisors, whose sum is σ = 2664586190. Its totient is φ = 2664586188.

The previous prime is 2664586147. The next prime is 2664586231. The reversal of 2664586189 is 9816854662.

It is a balanced prime because it is at equal distance from previous prime (2664586147) and next prime (2664586231).

It can be written as a sum of positive squares in only one way, i.e., 2235682089 + 428904100 = 47283^2 + 20710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664586189 - 2⁷ = 2664586061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664586109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332293094 + 1332293095.

It is an arithmetic number, because the mean of its divisors is an integer number (1332293095).

Almost surely, 2^2664586189 is an apocalyptic number.

It is an amenable number.

2664586189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664586189 is an equidigital number, since it uses as much as digits as its factorization.

2664586189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 55.

The square root of 2664586189 is about 51619.6298805019. The cubic root of 2664586189 is about 1386.3618242135.

The spelling of 2664586189 in words is "two billion, six hundred sixty-four million, five hundred eighty-six thousand, one hundred eighty-nine".