7091135969 has 2 divisors, whose sum is σ = 7091135970. Its totient is φ = 7091135968.

The previous prime is 7091135927. The next prime is 7091136001. The reversal of 7091135969 is 9695311907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7031661025 + 59474944 = 83855^2 + 7712^2 .

It is a cyclic number.

It is not a de Polignac number, because 7091135969 - 2⁸ = 7091135713 is a prime.

It is a super-2 number, since 2×7091135969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7091132969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545567984 + 3545567985.

It is an arithmetic number, because the mean of its divisors is an integer number (3545567985).

Almost surely, 2^7091135969 is an apocalyptic number.

It is an amenable number.

7091135969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7091135969 is an equidigital number, since it uses as much as digits as its factorization.

7091135969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 7091135969 is about 84208.8829577973. The cubic root of 7091135969 is about 1921.1971672452.

The spelling of 7091135969 in words is "seven billion, ninety-one million, one hundred thirty-five thousand, nine hundred sixty-nine".