3689078639 has 8 divisors (see below), whose sum is σ = 3750541200. Its totient is φ = 3627648000.

The previous prime is 3689078623. The next prime is 3689078681. The reversal of 3689078639 is 9368709863.

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

It is a cyclic number.

It is not a de Polignac number, because 3689078639 - 2⁴ = 3689078623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689074639) 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 7 ways as a sum of consecutive naturals, for example, 379439 + ... + 389039.

It is an arithmetic number, because the mean of its divisors is an integer number (468817650).

Almost surely, 2^3689078639 is an apocalyptic number.

3689078639 is a deficient number, since it is larger than the sum of its proper divisors (61462561).

3689078639 is an equidigital number, since it uses as much as digits as its factorization.

3689078639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15961.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The square root of 3689078639 is about 60737.7859244145. The cubic root of 3689078639 is about 1545.1570853013.

The spelling of 3689078639 in words is "three billion, six hundred eighty-nine million, seventy-eight thousand, six hundred thirty-nine".