3641606859 has 128 divisors (see below), whose sum is σ = 6051594240. Its totient is φ = 1923609600.

The previous prime is 3641606849. The next prime is 3641606887. The reversal of 3641606859 is 9586061463.

It is not a de Polignac number, because 3641606859 - 2⁸ = 3641606603 is a prime.

It is a super-3 number, since 3×3641606859³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3641606819) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40916887 + ... + 40916975.

It is an arithmetic number, because the mean of its divisors is an integer number (47278080).

Almost surely, 2^3641606859 is an apocalyptic number.

3641606859 is a deficient number, since it is larger than the sum of its proper divisors (2409987381).

3641606859 is a wasteful number, since it uses less digits than its factorization.

3641606859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 3641606859 is about 60345.7277609608. The cubic root of 3641606859 is about 1538.5006572888.

The spelling of 3641606859 in words is "three billion, six hundred forty-one million, six hundred six thousand, eight hundred fifty-nine".