9459219649 has 6 divisors (see below), whose sum is σ = 10397324210. Its totient is φ = 8599290480.

The previous prime is 9459219647. The next prime is 9459219667. The reversal of 9459219649 is 9469129549.

9459219649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6921075249 + 2538144400 = 83193^2 + 50380^2 .

It is not a de Polignac number, because 9459219649 - 2¹ = 9459219647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9459219593 and 9459219602.

It is not an unprimeable number, because it can be changed into a prime (9459219647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39087564 + ... + 39087805.

Almost surely, 2^9459219649 is an apocalyptic number.

It is an amenable number.

9459219649 is a deficient number, since it is larger than the sum of its proper divisors (938104561).

9459219649 is a wasteful number, since it uses less digits than its factorization.

9459219649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78175391 (or 78175380 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 58.

The square root of 9459219649 is about 97258.5196730857. The cubic root of 9459219649 is about 2114.8769476851.

The spelling of 9459219649 in words is "nine billion, four hundred fifty-nine million, two hundred nineteen thousand, six hundred forty-nine".