3649282569 has 12 divisors (see below), whose sum is σ = 5297945796. Its totient is φ = 2420504352.

The previous prime is 3649282561. The next prime is 3649282597. The reversal of 3649282569 is 9652829463.

It is a happy number.

3649282569 is a `hidden beast` number, since 36 + 49 + 2 + 8 + 2 + 569 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2699841600 + 949440969 = 51960^2 + 30813^2 .

It is not a de Polignac number, because 3649282569 - 2³ = 3649282561 is a prime.

It is a super-2 number, since 2×3649282569² = 26634526536814479522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3649282561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027354 + ... + 1030899.

It is an arithmetic number, because the mean of its divisors is an integer number (441495483).

Almost surely, 2^3649282569 is an apocalyptic number.

It is an amenable number.

3649282569 is a deficient number, since it is larger than the sum of its proper divisors (1648663227).

3649282569 is a wasteful number, since it uses less digits than its factorization.

3649282569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058456 (or 2058453 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 3649282569 is about 60409.2920749780. The cubic root of 3649282569 is about 1539.5808395683.

The spelling of 3649282569 in words is "three billion, six hundred forty-nine million, two hundred eighty-two thousand, five hundred sixty-nine".