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6674949881 is a prime number
BaseRepresentation
bin1100011011101101…
…11010011011111001
3122020012002120211222
412031312322123321
5102132241344011
63022203201425
7324261065165
oct61566723371
918205076758
106674949881
112915920706
121363516275
13824b771b2
14474705ca5
1529100cddb
hex18ddba6f9

6674949881 has 2 divisors, whose sum is σ = 6674949882. Its totient is φ = 6674949880.

The previous prime is 6674949857. The next prime is 6674949929. The reversal of 6674949881 is 1889494766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3514711225 + 3160238656 = 59285^2 + 56216^2 .

It is a cyclic number.

It is not a de Polignac number, because 6674949881 - 26 = 6674949817 is a prime.

It is a super-2 number, since 2×66749498812 = 89109911827723828322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6674949821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337474940 + 3337474941.

It is an arithmetic number, because the mean of its divisors is an integer number (3337474941).

Almost surely, 26674949881 is an apocalyptic number.

It is an amenable number.

6674949881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6674949881 is an equidigital number, since it uses as much as digits as its factorization.

6674949881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 62.

The square root of 6674949881 is about 81700.3664679663. The cubic root of 6674949881 is about 1882.8512154668.

The spelling of 6674949881 in words is "six billion, six hundred seventy-four million, nine hundred forty-nine thousand, eight hundred eighty-one".