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6897711941 is a prime number
BaseRepresentation
bin1100110110010001…
…01011101101000101
3122210201021001221122
412123020223231011
5103111303240231
63100241523325
7332634404231
oct63310535505
918721231848
106897711941
112a1a64008a
121406043545
1385c070b73
144961315c1
152a586177b
hex19b22bb45

6897711941 has 2 divisors, whose sum is σ = 6897711942. Its totient is φ = 6897711940.

The previous prime is 6897711917. The next prime is 6897711943. The reversal of 6897711941 is 1491177986.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6811035841 + 86676100 = 82529^2 + 9310^2 .

It is a cyclic number.

It is not a de Polignac number, because 6897711941 - 222 = 6893517637 is a prime.

Together with 6897711943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6897711943) 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, 3448855970 + 3448855971.

It is an arithmetic number, because the mean of its divisors is an integer number (3448855971).

Almost surely, 26897711941 is an apocalyptic number.

It is an amenable number.

6897711941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6897711941 is an equidigital number, since it uses as much as digits as its factorization.

6897711941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 53.

The square root of 6897711941 is about 83052.4649905107. The cubic root of 6897711941 is about 1903.5678059943.

The spelling of 6897711941 in words is "six billion, eight hundred ninety-seven million, seven hundred eleven thousand, nine hundred forty-one".