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34405581149 is a prime number
BaseRepresentation
bin100000000010101110…
…111000000101011101
310021210210011121120022
4200002232320011131
51030430312044044
623450011001525
72325413420522
oct400256700535
9107723147508
1034405581149
1113656065395
1268024392a5
133324030554
1419455b7149
15d657b63ee
hex802bb815d

34405581149 has 2 divisors, whose sum is σ = 34405581150. Its totient is φ = 34405581148.

The previous prime is 34405581139. The next prime is 34405581187. The reversal of 34405581149 is 94118550443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30413616025 + 3991965124 = 174395^2 + 63182^2 .

It is an emirp because it is prime and its reverse (94118550443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34405581149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34405581139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17202790574 + 17202790575.

It is an arithmetic number, because the mean of its divisors is an integer number (17202790575).

Almost surely, 234405581149 is an apocalyptic number.

It is an amenable number.

34405581149 is a deficient number, since it is larger than the sum of its proper divisors (1).

34405581149 is an equidigital number, since it uses as much as digits as its factorization.

34405581149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 34405581149 in words is "thirty-four billion, four hundred five million, five hundred eighty-one thousand, one hundred forty-nine".