3621996629 has 2 divisors, whose sum is σ = 3621996630. Its totient is φ = 3621996628.

The previous prime is 3621996589. The next prime is 3621996647. The reversal of 3621996629 is 9266991263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3486902500 + 135094129 = 59050^2 + 11623^2 .

It is an emirp because it is prime and its reverse (9266991263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3621996629 - 2²⁰ = 3620948053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621996649) 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, 1810998314 + 1810998315.

It is an arithmetic number, because the mean of its divisors is an integer number (1810998315).

Almost surely, 2^3621996629 is an apocalyptic number.

It is an amenable number.

3621996629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621996629 is an equidigital number, since it uses as much as digits as its factorization.

3621996629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The square root of 3621996629 is about 60183.0260870954. The cubic root of 3621996629 is about 1535.7340516128.

It can be divided in two parts, 362 and 1996629, that added together give a palindrome (1996991).

The spelling of 3621996629 in words is "three billion, six hundred twenty-one million, nine hundred ninety-six thousand, six hundred twenty-nine".