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13663606633 is a prime number
BaseRepresentation
bin11001011100110101…
…00001011101101001
31022021020111010121221
430232122201131221
5210440340403013
610135454302041
7662411511565
oct145632413551
938236433557
1013663606633
115881827996
122793ab7921
131399a0b051
1493894c6a5
1554e83608d
hex32e6a1769

13663606633 has 2 divisors, whose sum is σ = 13663606634. Its totient is φ = 13663606632.

The previous prime is 13663606603. The next prime is 13663606637. The reversal of 13663606633 is 33660636631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10158019369 + 3505587264 = 100787^2 + 59208^2 .

It is an emirp because it is prime and its reverse (33660636631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13663606633 - 233 = 5073672041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13663606633.

It is not a weakly prime, because it can be changed into another prime (13663606637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831803316 + 6831803317.

It is an arithmetic number, because the mean of its divisors is an integer number (6831803317).

Almost surely, 213663606633 is an apocalyptic number.

It is an amenable number.

13663606633 is a deficient number, since it is larger than the sum of its proper divisors (1).

13663606633 is an equidigital number, since it uses as much as digits as its factorization.

13663606633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 43.

The spelling of 13663606633 in words is "thirteen billion, six hundred sixty-three million, six hundred six thousand, six hundred thirty-three".