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6989744341 is a prime number
BaseRepresentation
bin1101000001001111…
…10000100011010101
3200001010102210200001
412200213300203111
5103303333304331
63113330251301
7335132563246
oct64047604325
920033383601
106989744341
112a6758a418
121430a26b31
13875154bc8
144a444accd
152ad990561
hex1a09f08d5

6989744341 has 2 divisors, whose sum is σ = 6989744342. Its totient is φ = 6989744340.

The previous prime is 6989744323. The next prime is 6989744351. The reversal of 6989744341 is 1434479896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6827716900 + 162027441 = 82630^2 + 12729^2 .

It is a cyclic number.

It is not a de Polignac number, because 6989744341 - 25 = 6989744309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6989744351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494872170 + 3494872171.

It is an arithmetic number, because the mean of its divisors is an integer number (3494872171).

Almost surely, 26989744341 is an apocalyptic number.

It is an amenable number.

6989744341 is a deficient number, since it is larger than the sum of its proper divisors (1).

6989744341 is an equidigital number, since it uses as much as digits as its factorization.

6989744341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 55.

The square root of 6989744341 is about 83604.6909030827. The cubic root of 6989744341 is about 1911.9965180759.

The spelling of 6989744341 in words is "six billion, nine hundred eighty-nine million, seven hundred forty-four thousand, three hundred forty-one".