3563611361 has 4 divisors (see below), whose sum is σ = 3563909892. Its totient is φ = 3563312832.

The previous prime is 3563611357. The next prime is 3563611453. The reversal of 3563611361 is 1631163653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1631163653 = 7 ⋅233023379.

It can be written as a sum of positive squares in 2 ways, for example, as 2950553761 + 613057600 = 54319^2 + 24760^2 .

It is a cyclic number.

It is not a de Polignac number, because 3563611361 - 2² = 3563611357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3563611351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130580 + ... + 155493.

It is an arithmetic number, because the mean of its divisors is an integer number (890977473).

Almost surely, 2^3563611361 is an apocalyptic number.

It is an amenable number.

3563611361 is a deficient number, since it is larger than the sum of its proper divisors (298531).

3563611361 is a wasteful number, since it uses less digits than its factorization.

3563611361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298530.

The product of its digits is 29160, while the sum is 35.

The square root of 3563611361 is about 59695.9911635614. The cubic root of 3563611361 is about 1527.4374866801.

The spelling of 3563611361 in words is "three billion, five hundred sixty-three million, six hundred eleven thousand, three hundred sixty-one".