3689642301639 has 32 divisors (see below), whose sum is σ = 5661006873600. Its totient is φ = 2093861290752.

The previous prime is 3689642301581. The next prime is 3689642301673. The reversal of 3689642301639 is 9361032469863.

It is not a de Polignac number, because 3689642301639 - 2¹⁹ = 3689641777351 is a prime.

It is a super-2 number, since 2×3689642301639² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689642301739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18905334 + ... + 19099500.

It is an arithmetic number, because the mean of its divisors is an integer number (176906464800).

Almost surely, 2^{3689642301639} is an apocalyptic number.

3689642301639 is a deficient number, since it is larger than the sum of its proper divisors (1971364571961).

3689642301639 is a wasteful number, since it uses less digits than its factorization.

3689642301639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200399.

The product of its (nonzero) digits is 30233088, while the sum is 60.

The spelling of 3689642301639 in words is "three trillion, six hundred eighty-nine billion, six hundred forty-two million, three hundred one thousand, six hundred thirty-nine".