3561266441 has 4 divisors (see below), whose sum is σ = 3561612612. Its totient is φ = 3560920272.

The previous prime is 3561266417. The next prime is 3561266459. The reversal of 3561266441 is 1446621653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2071615225 + 1489651216 = 45515^2 + 38596^2 .

It is a cyclic number.

It is not a de Polignac number, because 3561266441 - 2⁶ = 3561266377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3561266395 and 3561266404.

It is not an unprimeable number, because it can be changed into a prime (3561266411) 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 3 ways as a sum of consecutive naturals, for example, 157166 + ... + 178391.

It is an arithmetic number, because the mean of its divisors is an integer number (890403153).

Almost surely, 2^3561266441 is an apocalyptic number.

It is an amenable number.

3561266441 is a deficient number, since it is larger than the sum of its proper divisors (346171).

3561266441 is a wasteful number, since it uses less digits than its factorization.

3561266441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346170.

The product of its digits is 103680, while the sum is 38.

The square root of 3561266441 is about 59676.3474167111. The cubic root of 3561266441 is about 1527.1023861087.

The spelling of 3561266441 in words is "three billion, five hundred sixty-one million, two hundred sixty-six thousand, four hundred forty-one".