271990669 has 2 divisors, whose sum is σ = 271990670. Its totient is φ = 271990668.

The previous prime is 271990651. The next prime is 271990687. The reversal of 271990669 is 966099172.

It is a balanced prime because it is at equal distance from previous prime (271990651) and next prime (271990687).

It can be written as a sum of positive squares in only one way, i.e., 222457225 + 49533444 = 14915^2 + 7038^2 .

It is a cyclic number.

It is not a de Polignac number, because 271990669 - 2⁵ = 271990637 is a prime.

It is a super-2 number, since 2×271990669² = 147957848046135122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271997669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135995334 + 135995335.

It is an arithmetic number, because the mean of its divisors is an integer number (135995335).

Almost surely, 2^271990669 is an apocalyptic number.

It is an amenable number.

271990669 is a deficient number, since it is larger than the sum of its proper divisors (1).

271990669 is an equidigital number, since it uses as much as digits as its factorization.

271990669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 271990669 is about 16492.1396125548. The cubic root of 271990669 is about 647.9149511468.

The spelling of 271990669 in words is "two hundred seventy-one million, nine hundred ninety thousand, six hundred sixty-nine".