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979814385013 is a prime number
BaseRepresentation
bin11100100001000010111…
…11010000010101110101
310110200001221121221100011
432100201133100111311
5112023124440310023
62030042010420221
7130534466566402
oct16204137202565
93420057557304
10979814385013
1134859a749662
12139a89a31671
137151c302369
14355cd6452a9
151a74958350d
hexe4217d0575

979814385013 has 2 divisors, whose sum is σ = 979814385014. Its totient is φ = 979814385012.

The previous prime is 979814385007. The next prime is 979814385029. The reversal of 979814385013 is 310583418979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951448078084 + 28366306929 = 975422^2 + 168423^2 .

It is an emirp because it is prime and its reverse (310583418979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-979814385013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979814382013) 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, 489907192506 + 489907192507.

It is an arithmetic number, because the mean of its divisors is an integer number (489907192507).

Almost surely, 2979814385013 is an apocalyptic number.

It is an amenable number.

979814385013 is a deficient number, since it is larger than the sum of its proper divisors (1).

979814385013 is an equidigital number, since it uses as much as digits as its factorization.

979814385013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 979814385013 in words is "nine hundred seventy-nine billion, eight hundred fourteen million, three hundred eighty-five thousand, thirteen".