3641575861 has 8 divisors (see below), whose sum is σ = 4540146624. Its totient is φ = 2837591520.

The previous prime is 3641575837. The next prime is 3641575879. The reversal of 3641575861 is 1685751463.

It is a happy number.

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 3641575861 - 2¹⁵ = 3641543093 is a prime.

It is a super-2 number, since 2×3641575861² = 26522149502835782642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641575801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23646520 + ... + 23646673.

It is an arithmetic number, because the mean of its divisors is an integer number (567518328).

Almost surely, 2^3641575861 is an apocalyptic number.

It is an amenable number.

3641575861 is a deficient number, since it is larger than the sum of its proper divisors (898570763).

3641575861 is a wasteful number, since it uses less digits than its factorization.

3641575861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47293211.

The product of its digits is 604800, while the sum is 46.

The square root of 3641575861 is about 60345.4709236741. The cubic root of 3641575861 is about 1538.4962919468.

The spelling of 3641575861 in words is "three billion, six hundred forty-one million, five hundred seventy-five thousand, eight hundred sixty-one".