3681365029 has 2 divisors, whose sum is σ = 3681365030. Its totient is φ = 3681365028.

The previous prime is 3681365021. The next prime is 3681365053. The reversal of 3681365029 is 9205631863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3681212929 + 152100 = 60673^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 3681365029 - 2³ = 3681365021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3681365021) 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, 1840682514 + 1840682515.

It is an arithmetic number, because the mean of its divisors is an integer number (1840682515).

Almost surely, 2^3681365029 is an apocalyptic number.

It is an amenable number.

3681365029 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681365029 is an equidigital number, since it uses as much as digits as its factorization.

3681365029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 3681365029 is about 60674.2534276278. The cubic root of 3681365029 is about 1544.0793947211.

The spelling of 3681365029 in words is "three billion, six hundred eighty-one million, three hundred sixty-five thousand, twenty-nine".