3632729669 has 2 divisors, whose sum is σ = 3632729670. Its totient is φ = 3632729668.

The previous prime is 3632729627. The next prime is 3632729713. The reversal of 3632729669 is 9669272363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3631508644 + 1221025 = 60262^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 3632729669 - 2¹² = 3632725573 is a prime.

It is a super-2 number, since 2×3632729669² = 26393449696065699122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3632729669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3632729069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1816364834 + 1816364835.

It is an arithmetic number, because the mean of its divisors is an integer number (1816364835).

Almost surely, 2^3632729669 is an apocalyptic number.

It is an amenable number.

3632729669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3632729669 is an equidigital number, since it uses as much as digits as its factorization.

3632729669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 53.

The square root of 3632729669 is about 60272.1301183225. The cubic root of 3632729669 is about 1537.2494994008.

The spelling of 3632729669 in words is "three billion, six hundred thirty-two million, seven hundred twenty-nine thousand, six hundred sixty-nine".