3684692729 has 2 divisors, whose sum is σ = 3684692730. Its totient is φ = 3684692728.

The previous prime is 3684692707. The next prime is 3684692741. The reversal of 3684692729 is 9272964863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2512315129 + 1172377600 = 50123^2 + 34240^2 .

It is an emirp because it is prime and its reverse (9272964863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3684692729 - 2²⁴ = 3667915513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3684692779) 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 as a sum of consecutive naturals, namely, 1842346364 + 1842346365.

It is an arithmetic number, because the mean of its divisors is an integer number (1842346365).

Almost surely, 2^3684692729 is an apocalyptic number.

It is an amenable number.

3684692729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3684692729 is an equidigital number, since it uses as much as digits as its factorization.

3684692729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 56.

The square root of 3684692729 is about 60701.6699028948. The cubic root of 3684692729 is about 1544.5445016887.

The spelling of 3684692729 in words is "three billion, six hundred eighty-four million, six hundred ninety-two thousand, seven hundred twenty-nine".