3638036217 has 8 divisors (see below), whose sum is σ = 5007189760. Its totient is φ = 2347120080.

The previous prime is 3638036183. The next prime is 3638036263. The reversal of 3638036217 is 7126308363.

3638036217 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3638036217 - 2¹² = 3638032121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3638036287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19559242 + ... + 19559427.

It is an arithmetic number, because the mean of its divisors is an integer number (625898720).

Almost surely, 2^3638036217 is an apocalyptic number.

It is an amenable number.

3638036217 is a deficient number, since it is larger than the sum of its proper divisors (1369153543).

3638036217 is a wasteful number, since it uses less digits than its factorization.

3638036217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39118703.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 3638036217 is about 60316.1356272101. The cubic root of 3638036217 is about 1537.9976530093.

It can be divided in two parts, 3638036 and 217, that added together give a triangular number (3638253 = T₂₆₉₇).

The spelling of 3638036217 in words is "three billion, six hundred thirty-eight million, thirty-six thousand, two hundred seventeen".