3638433274 has 8 divisors (see below), whose sum is σ = 6237314208. Its totient is φ = 1559328540.

The previous prime is 3638433251. The next prime is 3638433277. The reversal of 3638433274 is 4723348363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3638433274.

It is not an unprimeable number, because it can be changed into a prime (3638433277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129944032 + ... + 129944059.

It is an arithmetic number, because the mean of its divisors is an integer number (779664276).

Almost surely, 2^3638433274 is an apocalyptic number.

3638433274 is a deficient number, since it is larger than the sum of its proper divisors (2598880934).

3638433274 is a wasteful number, since it uses less digits than its factorization.

3638433274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259888100.

The product of its digits is 870912, while the sum is 43.

The square root of 3638433274 is about 60319.4270032466. The cubic root of 3638433274 is about 1538.0536035719.

The spelling of 3638433274 in words is "three billion, six hundred thirty-eight million, four hundred thirty-three thousand, two hundred seventy-four".