9465798975649 has 4 divisors (see below), whose sum is σ = 9466000770240. Its totient is φ = 9465597181060.

The previous prime is 9465798975587. The next prime is 9465798975673.

9465798975649 is nontrivially palindromic in base 10.

9465798975649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 9465798975649 - 2³³ = 9457209041057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9465798975649.

It is not an unprimeable number, because it can be changed into a prime (9465798975749) 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, 100826917 + ... + 100920754.

It is an arithmetic number, because the mean of its divisors is an integer number (2366500192560).

Almost surely, 2^{9465798975649} is an apocalyptic number.

It is an amenable number.

9465798975649 is a deficient number, since it is larger than the sum of its proper divisors (201794591).

9465798975649 is a wasteful number, since it uses less digits than its factorization.

9465798975649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201794590.

The product of its digits is 37035532800, while the sum is 88.

The spelling of 9465798975649 in words is "nine trillion, four hundred sixty-five billion, seven hundred ninety-eight million, nine hundred seventy-five thousand, six hundred forty-nine".