1105332649 has 4 divisors (see below), whose sum is σ = 1126188036. Its totient is φ = 1084477264.

The previous prime is 1105332637. The next prime is 1105332659. The reversal of 1105332649 is 9462335011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9462335011 = 191 ⋅49541021.

It can be written as a sum of positive squares in 2 ways, for example, as 473715225 + 631617424 = 21765^2 + 25132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105332649 - 2¹⁷ = 1105201577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105332659) 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, 10427614 + ... + 10427719.

It is an arithmetic number, because the mean of its divisors is an integer number (281547009).

Almost surely, 2^1105332649 is an apocalyptic number.

It is an amenable number.

1105332649 is a deficient number, since it is larger than the sum of its proper divisors (20855387).

1105332649 is an equidigital number, since it uses as much as digits as its factorization.

1105332649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20855386.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1105332649 is about 33246.5434143160. The cubic root of 1105332649 is about 1033.9455445234.

The spelling of 1105332649 in words is "one billion, one hundred five million, three hundred thirty-two thousand, six hundred forty-nine".