3603688729 has 2 divisors, whose sum is σ = 3603688730. Its totient is φ = 3603688728.

The previous prime is 3603688633. The next prime is 3603688757. The reversal of 3603688729 is 9278863063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2127054400 + 1476634329 = 46120^2 + 38427^2 .

It is an emirp because it is prime and its reverse (9278863063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3603688729 - 2⁷ = 3603688601 is a prime.

It is not a weakly prime, because it can be changed into another prime (3603683729) 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 as a sum of consecutive naturals, namely, 1801844364 + 1801844365.

It is an arithmetic number, because the mean of its divisors is an integer number (1801844365).

Almost surely, 2^3603688729 is an apocalyptic number.

It is an amenable number.

3603688729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3603688729 is an equidigital number, since it uses as much as digits as its factorization.

3603688729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 3603688729 is about 60030.7315381047. The cubic root of 3603688729 is about 1533.1421505123.

The spelling of 3603688729 in words is "three billion, six hundred three million, six hundred eighty-eight thousand, seven hundred twenty-nine".