3701685689 has 12 divisors (see below), whose sum is σ = 4234724844. Its totient is φ = 3215940864.

The previous prime is 3701685649. The next prime is 3701685769. The reversal of 3701685689 is 9865861073.

It is a happy number.

3701685689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 290191225 + 3411494464 = 17035^2 + 58408^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3701685689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3701685689.

It is not an unprimeable number, because it can be changed into a prime (3701685649) 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 11 ways as a sum of consecutive naturals, for example, 488882 + ... + 496395.

It is an arithmetic number, because the mean of its divisors is an integer number (352893737).

Almost surely, 2^3701685689 is an apocalyptic number.

It is an amenable number.

3701685689 is a deficient number, since it is larger than the sum of its proper divisors (533039155).

3701685689 is a wasteful number, since it uses less digits than its factorization.

3701685689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985324 (or 985307 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 3701685689 is about 60841.4800033661. The cubic root of 3701685689 is about 1546.9152229837.

The spelling of 3701685689 in words is "three billion, seven hundred one million, six hundred eighty-five thousand, six hundred eighty-nine".