7106995809 has 135 divisors (see below), whose sum is σ = 12327269097. Its totient is φ = 4078916352.

The previous prime is 7106995807. The next prime is 7106995813. The reversal of 7106995809 is 9085996017.

The square root of 7106995809 is 84303.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 702515025 + 6404480784 = 26505^2 + 80028^2 .

It is not a de Polignac number, because 7106995809 - 2¹ = 7106995807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7106995807) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 245068807 + ... + 245068835.

Almost surely, 2^7106995809 is an apocalyptic number.

7106995809 is the 84303-rd square number.

7106995809 is the 42152-nd centered octagonal number.

It is an amenable number.

7106995809 is a deficient number, since it is larger than the sum of its proper divisors (5220273288).

7106995809 is a wasteful number, since it uses less digits than its factorization.

7106995809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The cubic root of 7106995809 is about 1922.6283997005.

The spelling of 7106995809 in words is "seven billion, one hundred six million, nine hundred ninety-five thousand, eight hundred nine".