104443424213501 has 2 divisors, whose sum is σ = 104443424213502. Its totient is φ = 104443424213500.

The previous prime is 104443424213477. The next prime is 104443424213509. The reversal of 104443424213501 is 105312424344401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99750455875225 + 4692968338276 = 9987515^2 + 2166326^2 .

It is an emirp because it is prime and its reverse (105312424344401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104443424213501 is a prime.

It is a super-2 number, since 2×104443424213501² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104443424213509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52221712106750 + 52221712106751.

It is an arithmetic number, because the mean of its divisors is an integer number (52221712106751).

Almost surely, 2^{104443424213501} is an apocalyptic number.

It is an amenable number.

104443424213501 is a deficient number, since it is larger than the sum of its proper divisors (1).

104443424213501 is an equidigital number, since it uses as much as digits as its factorization.

104443424213501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 104443424213501 its reverse (105312424344401), we get a palindrome (209755848557902).

The spelling of 104443424213501 in words is "one hundred four trillion, four hundred forty-three billion, four hundred twenty-four million, two hundred thirteen thousand, five hundred one".