9273409649 has 16 divisors (see below), whose sum is σ = 10776976896. Its totient is φ = 7814664000.

The previous prime is 9273409619. The next prime is 9273409661. The reversal of 9273409649 is 9469043729.

It is a cyclic number.

It is not a de Polignac number, because 9273409649 - 2²⁰ = 9272361073 is a prime.

It is a super-2 number, since 2×9273409649² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9273409649.

It is not an unprimeable number, because it can be changed into a prime (9273409619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293224 + ... + 1300374.

It is an arithmetic number, because the mean of its divisors is an integer number (673561056).

Almost surely, 2^9273409649 is an apocalyptic number.

It is an amenable number.

9273409649 is a deficient number, since it is larger than the sum of its proper divisors (1503567247).

9273409649 is a wasteful number, since it uses less digits than its factorization.

9273409649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10256.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 9273409649 is about 96298.5443763300. The cubic root of 9273409649 is about 2100.9375744661.

The spelling of 9273409649 in words is "nine billion, two hundred seventy-three million, four hundred nine thousand, six hundred forty-nine".