1327897069 has 2 divisors, whose sum is σ = 1327897070. Its totient is φ = 1327897068.

The previous prime is 1327897027. The next prime is 1327897073. The reversal of 1327897069 is 9607987231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1295064169 + 32832900 = 35987^2 + 5730^2 .

It is an emirp because it is prime and its reverse (9607987231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1327897069 - 2²⁷ = 1193679341 is a prime.

It is a super-3 number, since 3×1327897069³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327897009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663948534 + 663948535.

It is an arithmetic number, because the mean of its divisors is an integer number (663948535).

Almost surely, 2^1327897069 is an apocalyptic number.

It is an amenable number.

1327897069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327897069 is an equidigital number, since it uses as much as digits as its factorization.

1327897069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 1327897069 is about 36440.3220210799. The cubic root of 1327897069 is about 1099.1445329497.

The spelling of 1327897069 in words is "one billion, three hundred twenty-seven million, eight hundred ninety-seven thousand, sixty-nine".