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6993544849 is a prime number
BaseRepresentation
bin1101000001101100…
…10000011010010001
3200001101120212222121
412200312100122101
5103310321413344
63113543534241
7335210102404
oct64066203221
920041525877
106993544849
112a69745835
12143215a381
13875b85a25
144a4b59d3b
152ade91684
hex1a0d90691

6993544849 has 2 divisors, whose sum is σ = 6993544850. Its totient is φ = 6993544848.

The previous prime is 6993544837. The next prime is 6993544861. The reversal of 6993544849 is 9484453996.

It is a balanced prime because it is at equal distance from previous prime (6993544837) and next prime (6993544861).

It can be written as a sum of positive squares in only one way, i.e., 6933559824 + 59985025 = 83268^2 + 7745^2 .

It is a cyclic number.

It is not a de Polignac number, because 6993544849 - 227 = 6859327121 is a prime.

It is not a weakly prime, because it can be changed into another prime (6993544049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3496772424 + 3496772425.

It is an arithmetic number, because the mean of its divisors is an integer number (3496772425).

Almost surely, 26993544849 is an apocalyptic number.

It is an amenable number.

6993544849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6993544849 is an equidigital number, since it uses as much as digits as its factorization.

6993544849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 61.

The square root of 6993544849 is about 83627.4168499781. The cubic root of 6993544849 is about 1912.3429895680.

The spelling of 6993544849 in words is "six billion, nine hundred ninety-three million, five hundred forty-four thousand, eight hundred forty-nine".