4241445561 has 6 divisors (see below), whose sum is σ = 6126532490. Its totient is φ = 2827630368.

The previous prime is 4241445553. The next prime is 4241445577. The reversal of 4241445561 is 1655441424.

4241445561 is a `hidden beast` number, since 42 + 4 + 14 + 45 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3438063225 + 803382336 = 58635^2 + 28344^2 .

It is not a de Polignac number, because 4241445561 - 2³ = 4241445553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4241445361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235635856 + ... + 235635873.

Almost surely, 2^4241445561 is an apocalyptic number.

It is an amenable number.

4241445561 is a deficient number, since it is larger than the sum of its proper divisors (1885086929).

4241445561 is a wasteful number, since it uses less digits than its factorization.

4241445561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471271735 (or 471271732 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 4241445561 is about 65126.3814517589. The cubic root of 4241445561 is about 1618.7183839305.

Adding to 4241445561 its reverse (1655441424), we get a palindrome (5896886985).

The spelling of 4241445561 in words is "four billion, two hundred forty-one million, four hundred forty-five thousand, five hundred sixty-one".