3669815241 has 45 divisors (see below), whose sum is σ = 5631798711. Its totient is φ = 2381481648.

The previous prime is 3669815221. The next prime is 3669815243. The reversal of 3669815241 is 1425189663.

The square root of 3669815241 is 60579.

It is a perfect power (a square), and thus also a powerful number.

3669815241 is a `hidden beast` number, since 36 + 6 + 98 + 1 + 524 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2645559225 + 1024256016 = 51435^2 + 32004^2 .

It is not a de Polignac number, because 3669815241 - 2¹⁹ = 3669290953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3669815243) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 28896120 + ... + 28896246.

Almost surely, 2^3669815241 is an apocalyptic number.

3669815241 is the 60579-th square number.

3669815241 is the 30290-th centered octagonal number.

It is an amenable number.

3669815241 is a deficient number, since it is larger than the sum of its proper divisors (1961983470).

3669815241 is an frugal number, since it uses more digits than its factorization.

3669815241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 183 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The cubic root of 3669815241 is about 1542.4629225274.

The spelling of 3669815241 in words is "three billion, six hundred sixty-nine million, eight hundred fifteen thousand, two hundred forty-one".