9105649644 has 96 divisors (see below), whose sum is σ = 26178374656. Its totient is φ = 2398844160.

The previous prime is 9105649621. The next prime is 9105649681. The reversal of 9105649644 is 4469465019.

It is a junction number, because it is equal to n+sod(n) for n = 9105649593 and 9105649602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1110849 + ... + 1119015.

Almost surely, 2^9105649644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9105649644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13089187328).

9105649644 is an abundant number, since it is smaller than the sum of its proper divisors (17072725012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9105649644 is a wasteful number, since it uses less digits than its factorization.

9105649644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 9105649644 is about 95423.5277277046. The cubic root of 9105649644 is about 2088.1914441469.

The spelling of 9105649644 in words is "nine billion, one hundred five million, six hundred forty-nine thousand, six hundred forty-four".