7091080669 has 2 divisors, whose sum is σ = 7091080670. Its totient is φ = 7091080668.

The previous prime is 7091080663. The next prime is 7091080721. The reversal of 7091080669 is 9660801907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4146716025 + 2944364644 = 64395^2 + 54262^2 .

It is a cyclic number.

It is not a de Polignac number, because 7091080669 - 2⁵ = 7091080637 is a prime.

It is a super-2 number, since 2×7091080669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7091080663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545540334 + 3545540335.

It is an arithmetic number, because the mean of its divisors is an integer number (3545540335).

Almost surely, 2^7091080669 is an apocalyptic number.

It is an amenable number.

7091080669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7091080669 is an equidigital number, since it uses as much as digits as its factorization.

7091080669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 7091080669 is about 84208.5546069994. The cubic root of 7091080669 is about 1921.1921731004.

The spelling of 7091080669 in words is "seven billion, ninety-one million, eighty thousand, six hundred sixty-nine".