13632021289 has 2 divisors, whose sum is σ = 13632021290. Its totient is φ = 13632021288.

The previous prime is 13632021281. The next prime is 13632021373. The reversal of 13632021289 is 98212023631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9315531289 + 4316490000 = 96517^2 + 65700^2 .

It is an emirp because it is prime and its reverse (98212023631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13632021289 - 2³ = 13632021281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13632021281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6816010644 + 6816010645.

It is an arithmetic number, because the mean of its divisors is an integer number (6816010645).

Almost surely, 2^13632021289 is an apocalyptic number.

It is an amenable number.

13632021289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13632021289 is an equidigital number, since it uses as much as digits as its factorization.

13632021289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

It can be divided in two parts, 136320 and 21289, that added together give a square (157609 = 397²).

The spelling of 13632021289 in words is "thirteen billion, six hundred thirty-two million, twenty-one thousand, two hundred eighty-nine".