3638089247 has 16 divisors (see below), whose sum is σ = 3980602080. Its totient is φ = 3304737792.

The previous prime is 3638089243. The next prime is 3638089249. The reversal of 3638089247 is 7429808363.

It is a cyclic number.

It is not a de Polignac number, because 3638089247 - 2² = 3638089243 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3638089195 and 3638089204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638089243) 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, 439079 + ... + 447287.

It is an arithmetic number, because the mean of its divisors is an integer number (248787630).

Almost surely, 2^3638089247 is an apocalyptic number.

3638089247 is a deficient number, since it is larger than the sum of its proper divisors (342512833).

3638089247 is a wasteful number, since it uses less digits than its factorization.

3638089247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8762.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 3638089247 is about 60316.5752260521. The cubic root of 3638089247 is about 1538.0051258705.

The spelling of 3638089247 in words is "three billion, six hundred thirty-eight million, eighty-nine thousand, two hundred forty-seven".