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2662265189 is a prime number
BaseRepresentation
bin1001111010101110…
…1111000101100101
320212112112002021102
42132223233011211
520423014441224
61120101325445
7122654611043
oct23653570545
96775462242
102662265189
111146863271
12623706885
13335733c5c
141b380d393
15108ace4ae
hex9eaef165

2662265189 has 2 divisors, whose sum is σ = 2662265190. Its totient is φ = 2662265188.

The previous prime is 2662265173. The next prime is 2662265191. The reversal of 2662265189 is 9815622662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1794962689 + 867302500 = 42367^2 + 29450^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662265189 - 24 = 2662265173 is a prime.

It is a super-2 number, since 2×26622651892 = 14175311873122411442, which contains 22 as substring.

Together with 2662265191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2662265119) 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, 1331132594 + 1331132595.

It is an arithmetic number, because the mean of its divisors is an integer number (1331132595).

Almost surely, 22662265189 is an apocalyptic number.

It is an amenable number.

2662265189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662265189 is an equidigital number, since it uses as much as digits as its factorization.

2662265189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 2662265189 is about 51597.1432251825. The cubic root of 2662265189 is about 1385.9591750096.

The spelling of 2662265189 in words is "two billion, six hundred sixty-two million, two hundred sixty-five thousand, one hundred eighty-nine".