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670593008861 is a prime number
BaseRepresentation
bin10011100001000100111…
…01010100010011011101
32101002220210001110120222
421300202131110103131
541441333302240421
61232022143251125
766306630345326
oct11604235242335
92332823043528
10670593008861
112394402a8a36
12a9b702a9aa5
134b30cbc3579
142465794344d
151269c569cab
hex9c227544dd

670593008861 has 2 divisors, whose sum is σ = 670593008862. Its totient is φ = 670593008860.

The previous prime is 670593008831. The next prime is 670593008863. The reversal of 670593008861 is 168800395076.

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., 350678336761 + 319914672100 = 592181^2 + 565610^2 .

It is a cyclic number.

It is not a de Polignac number, because 670593008861 - 26 = 670593008797 is a prime.

Together with 670593008863, 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 (670593008863) 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, 335296504430 + 335296504431.

It is an arithmetic number, because the mean of its divisors is an integer number (335296504431).

Almost surely, 2670593008861 is an apocalyptic number.

It is an amenable number.

670593008861 is a deficient number, since it is larger than the sum of its proper divisors (1).

670593008861 is an equidigital number, since it uses as much as digits as its factorization.

670593008861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 670593008861 in words is "six hundred seventy billion, five hundred ninety-three million, eight thousand, eight hundred sixty-one".