3638701000 has 64 divisors (see below), whose sum is σ = 9288639360. Its totient is φ = 1323160000.

The previous prime is 3638700983. The next prime is 3638701007. The reversal of 3638701000 is 1078363.

It is a self number, because there is not a number n which added to its sum of digits gives 3638701000.

It is not an unprimeable number, because it can be changed into a prime (3638701007) 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, 154396 + ... + 176395.

It is an arithmetic number, because the mean of its divisors is an integer number (145134990).

Almost surely, 2^3638701000 is an apocalyptic number.

It is an amenable number.

3638701000 is an abundant number, since it is smaller than the sum of its proper divisors (5649938360).

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

3638701000 is a wasteful number, since it uses less digits than its factorization.

3638701000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330823 (or 330809 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3638701000 is about 60321.6461976959. The cubic root of 3638701000 is about 1538.0913273950.

Adding to 3638701000 its reverse (1078363), we get a palindrome (3639779363).

The spelling of 3638701000 in words is "three billion, six hundred thirty-eight million, seven hundred one thousand".