3564449109 has 48 divisors (see below), whose sum is σ = 5903889264. Its totient is φ = 2052864000.

The previous prime is 3564449089. The next prime is 3564449117. The reversal of 3564449109 is 9019444653.

It can be written as a sum of positive squares in 8 ways, for example, as 32524209 + 3531924900 = 5703^2 + 59430^2 .

It is not a de Polignac number, because 3564449109 - 2¹⁶ = 3564383573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3564449129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355059 + ... + 364959.

It is an arithmetic number, because the mean of its divisors is an integer number (122997693).

Almost surely, 2^3564449109 is an apocalyptic number.

3564449109 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3564449109 is a deficient number, since it is larger than the sum of its proper divisors (2339440155).

3564449109 is a wasteful number, since it uses less digits than its factorization.

3564449109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118 (or 10115 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 3564449109 is about 59703.0075373092. The cubic root of 3564449109 is about 1527.5571693383.

The spelling of 3564449109 in words is "three billion, five hundred sixty-four million, four hundred forty-nine thousand, one hundred nine".