1069327561 has 2 divisors, whose sum is σ = 1069327562. Its totient is φ = 1069327560.

The previous prime is 1069327549. The next prime is 1069327627. The reversal of 1069327561 is 1657239601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039417600 + 29909961 = 32240^2 + 5469^2 .

It is an emirp because it is prime and its reverse (1657239601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1069327561 - 2⁵ = 1069327529 is a prime.

It is a super-2 number, since 2×1069327561² = 2286922865428417442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1069324561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534663780 + 534663781.

It is an arithmetic number, because the mean of its divisors is an integer number (534663781).

Almost surely, 2^1069327561 is an apocalyptic number.

It is an amenable number.

1069327561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069327561 is an equidigital number, since it uses as much as digits as its factorization.

1069327561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1069327561 is about 32700.5743221736. The cubic root of 1069327561 is about 1022.5948162025.

The spelling of 1069327561 in words is "one billion, sixty-nine million, three hundred twenty-seven thousand, five hundred sixty-one".