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979814385229 is a prime number
BaseRepresentation
bin11100100001000010111…
…11010000011001001101
310110200001221121221122011
432100201133100121031
5112023124440311404
62030042010421221
7130534466600131
oct16204137203115
93420057557564
10979814385229
1134859a749839
12139a89a31811
137151c3024a4
14355cd6453c1
151a749583604
hexe4217d064d

979814385229 has 2 divisors, whose sum is σ = 979814385230. Its totient is φ = 979814385228.

The previous prime is 979814385191. The next prime is 979814385247. The reversal of 979814385229 is 922583418979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978902466025 + 911919204 = 989395^2 + 30198^2 .

It is a cyclic number.

It is not a de Polignac number, because 979814385229 - 27 = 979814385101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979814385259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489907192614 + 489907192615.

It is an arithmetic number, because the mean of its divisors is an integer number (489907192615).

Almost surely, 2979814385229 is an apocalyptic number.

It is an amenable number.

979814385229 is a deficient number, since it is larger than the sum of its proper divisors (1).

979814385229 is an equidigital number, since it uses as much as digits as its factorization.

979814385229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 67.

The spelling of 979814385229 in words is "nine hundred seventy-nine billion, eight hundred fourteen million, three hundred eighty-five thousand, two hundred twenty-nine".