3686531929 has 2 divisors, whose sum is σ = 3686531930. Its totient is φ = 3686531928.

The previous prime is 3686531911. The next prime is 3686531951. The reversal of 3686531929 is 9291356863.

3686531929 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3313153600 + 373378329 = 57560^2 + 19323^2 .

It is an emirp because it is prime and its reverse (9291356863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3686531929 - 2⁷ = 3686531801 is a prime.

It is a super-2 number, since 2×3686531929² = 27181035327072922082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3686535929) 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 as a sum of consecutive naturals, namely, 1843265964 + 1843265965.

It is an arithmetic number, because the mean of its divisors is an integer number (1843265965).

Almost surely, 2^3686531929 is an apocalyptic number.

It is an amenable number.

3686531929 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686531929 is an equidigital number, since it uses as much as digits as its factorization.

3686531929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 52.

The square root of 3686531929 is about 60716.8175137663. The cubic root of 3686531929 is about 1544.8014433970.

The spelling of 3686531929 in words is "three billion, six hundred eighty-six million, five hundred thirty-one thousand, nine hundred twenty-nine".