3645552041 has 4 divisors (see below), whose sum is σ = 3661900032. Its totient is φ = 3629204052.

The previous prime is 3645552017. The next prime is 3645552061. The reversal of 3645552041 is 1402555463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1402555463 = 1451 ⋅966613.

It is a cyclic number.

It is not a de Polignac number, because 3645552041 - 2¹⁰ = 3645551017 is a prime.

It is a super-3 number, since 3×3645552041³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3645551992 and 3645552010.

It is not an unprimeable number, because it can be changed into a prime (3645552061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8173661 + ... + 8174106.

It is an arithmetic number, because the mean of its divisors is an integer number (915475008).

Almost surely, 2^3645552041 is an apocalyptic number.

It is an amenable number.

3645552041 is a deficient number, since it is larger than the sum of its proper divisors (16347991).

3645552041 is a wasteful number, since it uses less digits than its factorization.

3645552041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16347990.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 3645552041 is about 60378.4070757088. The cubic root of 3645552041 is about 1539.0560416535.

The spelling of 3645552041 in words is "three billion, six hundred forty-five million, five hundred fifty-two thousand, forty-one".