2170627009 has 2 divisors, whose sum is σ = 2170627010. Its totient is φ = 2170627008.

The previous prime is 2170626979. The next prime is 2170627033. The reversal of 2170627009 is 9007260712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607609025 + 563017984 = 40095^2 + 23728^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170627009 - 2⁷ = 2170626881 is a prime.

It is a super-2 number, since 2×2170627009² = 9423243224400572162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2170627909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085313504 + 1085313505.

It is an arithmetic number, because the mean of its divisors is an integer number (1085313505).

Almost surely, 2^2170627009 is an apocalyptic number.

It is an amenable number.

2170627009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170627009 is an equidigital number, since it uses as much as digits as its factorization.

2170627009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 2170627009 is about 46589.9882914774. The cubic root of 2170627009 is about 1294.7772725085. Note that the first 3 decimals are identical.

The spelling of 2170627009 in words is "two billion, one hundred seventy million, six hundred twenty-seven thousand, nine".