3645879049 has 8 divisors (see below), whose sum is σ = 3900682880. Its totient is φ = 3397366800.

The previous prime is 3645879047. The next prime is 3645879079. The reversal of 3645879049 is 9409785463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3645879049 - 2¹ = 3645879047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3645879047) 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 7 ways as a sum of consecutive naturals, for example, 1571697 + ... + 1574014.

It is an arithmetic number, because the mean of its divisors is an integer number (487585360).

Almost surely, 2^3645879049 is an apocalyptic number.

It is an amenable number.

3645879049 is a deficient number, since it is larger than the sum of its proper divisors (254803831).

3645879049 is a wasteful number, since it uses less digits than its factorization.

3645879049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145791.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 3645879049 is about 60381.1150029544. The cubic root of 3645879049 is about 1539.1020583321.

The spelling of 3645879049 in words is "three billion, six hundred forty-five million, eight hundred seventy-nine thousand, forty-nine".