9809136241 has 4 divisors (see below), whose sum is σ = 9840677184. Its totient is φ = 9777595300.

The previous prime is 9809136203. The next prime is 9809136287. The reversal of 9809136241 is 1426319089.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1426319089 = 13 ⋅109716853.

It is a cyclic number.

It is not a de Polignac number, because 9809136241 - 2⁹ = 9809135729 is a prime.

It is a super-2 number, since 2×9809136241² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9809136641) 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, 15770005 + ... + 15770626.

It is an arithmetic number, because the mean of its divisors is an integer number (2460169296).

Almost surely, 2^9809136241 is an apocalyptic number.

It is an amenable number.

9809136241 is a deficient number, since it is larger than the sum of its proper divisors (31540943).

9809136241 is a wasteful number, since it uses less digits than its factorization.

9809136241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31540942.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9809136241 is about 99041.0836017054. The cubic root of 9809136241 is about 2140.6397657023.

The spelling of 9809136241 in words is "nine billion, eight hundred nine million, one hundred thirty-six thousand, two hundred forty-one".