3636689892 has 96 divisors (see below), whose sum is σ = 9597450240. Its totient is φ = 1062069120.

The previous prime is 3636689879. The next prime is 3636689893. The reversal of 3636689892 is 2989866363.

It is not an unprimeable number, because it can be changed into a prime (3636689893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519109 + ... + 526067.

It is an arithmetic number, because the mean of its divisors is an integer number (99973440).

Almost surely, 2^3636689892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636689892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4798725120).

3636689892 is an abundant number, since it is smaller than the sum of its proper divisors (5960760348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3636689892 is a wasteful number, since it uses less digits than its factorization.

3636689892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121 (or 7119 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 60.

The square root of 3636689892 is about 60304.9740237072. The cubic root of 3636689892 is about 1537.8079077689.

The spelling of 3636689892 in words is "three billion, six hundred thirty-six million, six hundred eighty-nine thousand, eight hundred ninety-two".