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13676429581 is a prime number
BaseRepresentation
bin11001011110010110…
…11100000100001101
31022022010121121101221
430233023130010031
5211002131221311
610141033203341
7662625506353
oct145713340415
938263547357
1013676429581
115888a95a71
122798260551
13139c57a7a9
1493a5297d3
15550a1a671
hex32f2dc10d

13676429581 has 2 divisors, whose sum is σ = 13676429582. Its totient is φ = 13676429580.

The previous prime is 13676429521. The next prime is 13676429597. The reversal of 13676429581 is 18592467631.

13676429581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13675197481 + 1232100 = 116941^2 + 1110^2 .

It is an emirp because it is prime and its reverse (18592467631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13676429581 - 211 = 13676427533 is a prime.

It is a super-2 number, since 2×136764295812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13676429521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6838214790 + 6838214791.

It is an arithmetic number, because the mean of its divisors is an integer number (6838214791).

Almost surely, 213676429581 is an apocalyptic number.

It is an amenable number.

13676429581 is a deficient number, since it is larger than the sum of its proper divisors (1).

13676429581 is an equidigital number, since it uses as much as digits as its factorization.

13676429581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The spelling of 13676429581 in words is "thirteen billion, six hundred seventy-six million, four hundred twenty-nine thousand, five hundred eighty-one".