3561450345 has 48 divisors (see below), whose sum is σ = 6707750400. Its totient is φ = 1741409280.

The previous prime is 3561450323. The next prime is 3561450349. The reversal of 3561450345 is 5430541653.

3561450345 is a `hidden beast` number, since 3 + 5 + 614 + 5 + 0 + 34 + 5 = 666.

It is not a de Polignac number, because 3561450345 - 2⁵ = 3561450313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3561450349) 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, 40680 + ... + 93689.

It is an arithmetic number, because the mean of its divisors is an integer number (139744800).

Almost surely, 2^3561450345 is an apocalyptic number.

It is an amenable number.

3561450345 is a deficient number, since it is larger than the sum of its proper divisors (3146300055).

3561450345 is a wasteful number, since it uses less digits than its factorization.

3561450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134430 (or 134427 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 3561450345 is about 59677.8882417935. Note that the first 3 decimals coincide. The cubic root of 3561450345 is about 1527.1286722074.

Adding to 3561450345 its reverse (5430541653), we get a palindrome (8991991998).

The spelling of 3561450345 in words is "three billion, five hundred sixty-one million, four hundred fifty thousand, three hundred forty-five".