3687280129 has 4 divisors (see below), whose sum is σ = 3970917076. Its totient is φ = 3403643184.

The previous prime is 3687280123. The next prime is 3687280141. The reversal of 3687280129 is 9210827863.

3687280129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1870389504 + 1816890625 = 43248^2 + 42625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687280129 - 2¹¹ = 3687278081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3687280123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141818454 + ... + 141818479.

It is an arithmetic number, because the mean of its divisors is an integer number (992729269).

Almost surely, 2^3687280129 is an apocalyptic number.

It is an amenable number.

3687280129 is a deficient number, since it is larger than the sum of its proper divisors (283636947).

3687280129 is a wasteful number, since it uses less digits than its factorization.

3687280129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283636946.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 3687280129 is about 60722.9785913043. The cubic root of 3687280129 is about 1544.9059447077.

The spelling of 3687280129 in words is "three billion, six hundred eighty-seven million, two hundred eighty thousand, one hundred twenty-nine".