3561622005 has 8 divisors (see below), whose sum is σ = 5698595232. Its totient is φ = 1899531728.

The previous prime is 3561621997. The next prime is 3561622021. The reversal of 3561622005 is 5002261653.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3561622005 - 2³ = 3561621997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118720719 + ... + 118720748.

It is an arithmetic number, because the mean of its divisors is an integer number (712324404).

Almost surely, 2^3561622005 is an apocalyptic number.

It is an amenable number.

3561622005 is a deficient number, since it is larger than the sum of its proper divisors (2136973227).

3561622005 is a wasteful number, since it uses less digits than its factorization.

3561622005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237441475.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3561622005 is about 59679.3264455959. The cubic root of 3561622005 is about 1527.1532074080.

Adding to 3561622005 its reverse (5002261653), we get a palindrome (8563883658).

The spelling of 3561622005 in words is "three billion, five hundred sixty-one million, six hundred twenty-two thousand, five".