7091742113 has 4 divisors (see below), whose sum is σ = 7111832388. Its totient is φ = 7071651840.

The previous prime is 7091742067. The next prime is 7091742139. The reversal of 7091742113 is 3112471907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3635125264 + 3456616849 = 60292^2 + 58793^2 .

It is a cyclic number.

It is not a de Polignac number, because 7091742113 - 2⁸ = 7091741857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7091742143) 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 in 3 ways as a sum of consecutive naturals, for example, 10044608 + ... + 10045313.

It is an arithmetic number, because the mean of its divisors is an integer number (1777958097).

Almost surely, 2^7091742113 is an apocalyptic number.

It is an amenable number.

7091742113 is a deficient number, since it is larger than the sum of its proper divisors (20090275).

7091742113 is a wasteful number, since it uses less digits than its factorization.

7091742113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090274.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 7091742113 is about 84212.4819311247. The cubic root of 7091742113 is about 1921.2519064276.

The spelling of 7091742113 in words is "seven billion, ninety-one million, seven hundred forty-two thousand, one hundred thirteen".