675009169 has 2 divisors, whose sum is σ = 675009170. Its totient is φ = 675009168.

The previous prime is 675009131. The next prime is 675009193. The reversal of 675009169 is 961900576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592435600 + 82573569 = 24340^2 + 9087^2 .

It is a cyclic number.

It is not a de Polignac number, because 675009169 - 2⁹ = 675008657 is a prime.

It is a super-2 number, since 2×675009169² = 911274756468141122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (675009119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337504584 + 337504585.

It is an arithmetic number, because the mean of its divisors is an integer number (337504585).

Almost surely, 2^675009169 is an apocalyptic number.

It is an amenable number.

675009169 is a deficient number, since it is larger than the sum of its proper divisors (1).

675009169 is an equidigital number, since it uses as much as digits as its factorization.

675009169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 675009169 is about 25980.9385704212. The cubic root of 675009169 is about 877.2092933449.

The spelling of 675009169 in words is "six hundred seventy-five million, nine thousand, one hundred sixty-nine".