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13441221379 is a prime number
BaseRepresentation
bin11001000010010100…
…01100001100000011
31021200202000210102001
430201022030030003
5210011423041004
610101432004431
7654041332225
oct144112141403
937622023361
1013441221379
115778245623
122731530717
131362916a41
149171c0415
1553a0591a4
hex32128c303

13441221379 has 2 divisors, whose sum is σ = 13441221380. Its totient is φ = 13441221378.

The previous prime is 13441221373. The next prime is 13441221389. The reversal of 13441221379 is 97312214431.

It is a weak prime.

It is an emirp because it is prime and its reverse (97312214431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13441221379 - 23 = 13441221371 is a prime.

It is not a weakly prime, because it can be changed into another prime (13441221371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720610689 + 6720610690.

It is an arithmetic number, because the mean of its divisors is an integer number (6720610690).

Almost surely, 213441221379 is an apocalyptic number.

13441221379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13441221379 is an equidigital number, since it uses as much as digits as its factorization.

13441221379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The spelling of 13441221379 in words is "thirteen billion, four hundred forty-one million, two hundred twenty-one thousand, three hundred seventy-nine".