44402636101321 has 2 divisors, whose sum is σ = 44402636101322. Its totient is φ = 44402636101320.

The previous prime is 44402636101259. The next prime is 44402636101381. The reversal of 44402636101321 is 12310163620444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42187480145721 + 2215155955600 = 6495189^2 + 1488340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44402636101321 is a prime.

It is not a weakly prime, because it can be changed into another prime (44402636101381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201318050660 + 22201318050661.

It is an arithmetic number, because the mean of its divisors is an integer number (22201318050661).

Almost surely, 2^{44402636101321} is an apocalyptic number.

It is an amenable number.

44402636101321 is a deficient number, since it is larger than the sum of its proper divisors (1).

44402636101321 is an equidigital number, since it uses as much as digits as its factorization.

44402636101321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 44402636101321 its reverse (12310163620444), we get a palindrome (56712799721765).

The spelling of 44402636101321 in words is "forty-four trillion, four hundred two billion, six hundred thirty-six million, one hundred one thousand, three hundred twenty-one".