3639000001 has 16 divisors (see below), whose sum is σ = 4582931584. Its totient is φ = 2812247424.

The previous prime is 3638999927. The next prime is 3639000077. The reversal of 3639000001 is 1000009363.

It is not a de Polignac number, because 3639000001 - 2¹¹ = 3638997953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3639000091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461076 + ... + 468901.

It is an arithmetic number, because the mean of its divisors is an integer number (286433224).

Almost surely, 2^3639000001 is an apocalyptic number.

It is an amenable number.

3639000001 is a deficient number, since it is larger than the sum of its proper divisors (943931583).

3639000001 is a wasteful number, since it uses less digits than its factorization.

3639000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930040.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 3639000001 is about 60324.1245357112. The cubic root of 3639000001 is about 1538.1334558220.

Adding to 3639000001 its reverse (1000009363), we get a palindrome (4639009364).

The spelling of 3639000001 in words is "three billion, six hundred thirty-nine million, one", and thus it is an aban number.