3609574245 has 28 divisors (see below), whose sum is σ = 6494269356. Its totient is φ = 1925104320.

The previous prime is 3609574237. The next prime is 3609574247. The reversal of 3609574245 is 5424759063.

3609574245 is a `hidden beast` number, since 36 + 0 + 9 + 574 + 2 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2840676804 + 768897441 = 53298^2 + 27729^2 .

It is not a de Polignac number, because 3609574245 - 2³ = 3609574237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a fibodiv number, since the Fibonacci-like sequence with seeds 360 and 9574245 contains 3609574245 itself.

It is a self number, because there is not a number n which added to its sum of digits gives 3609574245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609574247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 491496 + ... + 498785.

Almost surely, 2^3609574245 is an apocalyptic number.

It is an amenable number.

3609574245 is a deficient number, since it is larger than the sum of its proper divisors (2884695111).

3609574245 is an frugal number, since it uses more digits than its factorization.

3609574245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990304 (or 990289 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 3609574245 is about 60079.7323978727. The cubic root of 3609574245 is about 1533.9763351038.

The spelling of 3609574245 in words is "three billion, six hundred nine million, five hundred seventy-four thousand, two hundred forty-five".