9135723269 has 4 divisors (see below), whose sum is σ = 9143231244. Its totient is φ = 9128215296.

The previous prime is 9135723221. The next prime is 9135723301. The reversal of 9135723269 is 9623275319.

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 3786556225 + 5349167044 = 61535^2 + 73138^2 .

It is a cyclic number.

It is not a de Polignac number, because 9135723269 - 2²⁰ = 9134674693 is a prime.

It is a super-2 number, since 2×9135723269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9135753269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752162 + ... + 3754595.

It is an arithmetic number, because the mean of its divisors is an integer number (2285807811).

Almost surely, 2^9135723269 is an apocalyptic number.

It is an amenable number.

9135723269 is a deficient number, since it is larger than the sum of its proper divisors (7507975).

9135723269 is a wasteful number, since it uses less digits than its factorization.

9135723269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507974.

The product of its digits is 612360, while the sum is 47.

The square root of 9135723269 is about 95580.9775478364. The cubic root of 9135723269 is about 2090.4878380922.

The spelling of 9135723269 in words is "nine billion, one hundred thirty-five million, seven hundred twenty-three thousand, two hundred sixty-nine".