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2670066281 is a prime number
BaseRepresentation
bin1001111100100101…
…1111101001101001
320220002012102100202
42133021133221221
520432014110111
61120540441545
7123111121541
oct23711375151
96802172322
102670066281
111150201353
126262492b5
1333723599c
141b4880321
15109620b3b
hex9f25fa69

2670066281 has 2 divisors, whose sum is σ = 2670066282. Its totient is φ = 2670066280.

The previous prime is 2670066271. The next prime is 2670066283. The reversal of 2670066281 is 1826600762.

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., 2258625625 + 411440656 = 47525^2 + 20284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2670066281 is a prime.

It is a super-2 number, since 2×26700662812 = 14258507889866341922, which contains 22 as substring.

Together with 2670066283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2670066283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335033140 + 1335033141.

It is an arithmetic number, because the mean of its divisors is an integer number (1335033141).

Almost surely, 22670066281 is an apocalyptic number.

It is an amenable number.

2670066281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670066281 is an equidigital number, since it uses as much as digits as its factorization.

2670066281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2670066281 is about 51672.6840893716. The cubic root of 2670066281 is about 1387.3115886902.

The spelling of 2670066281 in words is "two billion, six hundred seventy million, sixty-six thousand, two hundred eighty-one".