3629729698109 has 2 divisors, whose sum is σ = 3629729698110. Its totient is φ = 3629729698108.

The previous prime is 3629729698093. The next prime is 3629729698139. The reversal of 3629729698109 is 9018969279263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3239560814884 + 390168883225 = 1799878^2 + 624635^2 .

It is a cyclic number.

It is not a de Polignac number, because 3629729698109 - 2⁴ = 3629729698093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3629729698139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814864849054 + 1814864849055.

It is an arithmetic number, because the mean of its divisors is an integer number (1814864849055).

Almost surely, 2^{3629729698109} is an apocalyptic number.

It is an amenable number.

3629729698109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3629729698109 is an equidigital number, since it uses as much as digits as its factorization.

3629729698109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158723712, while the sum is 71.

The spelling of 3629729698109 in words is "three trillion, six hundred twenty-nine billion, seven hundred twenty-nine million, six hundred ninety-eight thousand, one hundred nine".