3636969901 has 2 divisors, whose sum is σ = 3636969902. Its totient is φ = 3636969900.

The previous prime is 3636969883. The next prime is 3636969977. The reversal of 3636969901 is 1099696363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3157316100 + 479653801 = 56190^2 + 21901^2 .

It is a cyclic number.

It is not a de Polignac number, because 3636969901 - 2⁷ = 3636969773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3636969991) 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, 1818484950 + 1818484951.

It is an arithmetic number, because the mean of its divisors is an integer number (1818484951).

Almost surely, 2^3636969901 is an apocalyptic number.

It is an amenable number.

3636969901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3636969901 is an equidigital number, since it uses as much as digits as its factorization.

3636969901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 52.

The square root of 3636969901 is about 60307.2955868525. The cubic root of 3636969901 is about 1537.8473748865.

The spelling of 3636969901 in words is "three billion, six hundred thirty-six million, nine hundred sixty-nine thousand, nine hundred one".