9249686069 has 4 divisors (see below), whose sum is σ = 9961200396. Its totient is φ = 8538171744.

The previous prime is 9249686063. The next prime is 9249686113. The reversal of 9249686069 is 9606869429.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9606869429 = 3323 ⋅2891023.

It can be written as a sum of positive squares in 2 ways, for example, as 5762783569 + 3486902500 = 75913^2 + 59050^2 .

It is a cyclic number.

It is not a de Polignac number, because 9249686069 - 2¹⁶ = 9249620533 is a prime.

It is a super-2 number, since 2×9249686069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9249685999 and 9249686017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9249686063) 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, 355757144 + ... + 355757169.

It is an arithmetic number, because the mean of its divisors is an integer number (2490300099).

Almost surely, 2^9249686069 is an apocalyptic number.

It is an amenable number.

9249686069 is a deficient number, since it is larger than the sum of its proper divisors (711514327).

9249686069 is a wasteful number, since it uses less digits than its factorization.

9249686069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711514326.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The square root of 9249686069 is about 96175.2882449541. The cubic root of 9249686069 is about 2099.1444791047.

The spelling of 9249686069 in words is "nine billion, two hundred forty-nine million, six hundred eighty-six thousand, sixty-nine".