4639386632 has 48 divisors (see below), whose sum is σ = 9296407260. Its totient is φ = 2162961408.

The previous prime is 4639386629. The next prime is 4639386637. The reversal of 4639386632 is 2366839364.

It can be written as a sum of positive squares in 2 ways, for example, as 4471061956 + 168324676 = 66866^2 + 12974^2 .

It is not an unprimeable number, because it can be changed into a prime (4639386637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9297119 + ... + 9297617.

Almost surely, 2^4639386632 is an apocalyptic number.

It is an amenable number.

4639386632 is an abundant number, since it is smaller than the sum of its proper divisors (4657020628).

4639386632 is a wasteful number, since it uses less digits than its factorization.

4639386632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 655 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 50.

The square root of 4639386632 is about 68113.0430387602. The cubic root of 4639386632 is about 1667.8366853926.

The spelling of 4639386632 in words is "four billion, six hundred thirty-nine million, three hundred eighty-six thousand, six hundred thirty-two".