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13678592849 is a prime number
BaseRepresentation
bin11001011110100111…
…01100001101010001
31022022021200111211222
430233103230031101
5211003204432344
610141151414425
7662653056305
oct145723541521
938267614758
1013678592849
11588a233299
122798b24415
13139cb5732c
1493a92dd05
15550ce65ee
hex32f4ec351

13678592849 has 2 divisors, whose sum is σ = 13678592850. Its totient is φ = 13678592848.

The previous prime is 13678592843. The next prime is 13678592881. The reversal of 13678592849 is 94829587631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12054502849 + 1624090000 = 109793^2 + 40300^2 .

It is a cyclic number.

It is not a de Polignac number, because 13678592849 - 224 = 13661815633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13678592791 and 13678592800.

It is not a weakly prime, because it can be changed into another prime (13678592843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6839296424 + 6839296425.

It is an arithmetic number, because the mean of its divisors is an integer number (6839296425).

Almost surely, 213678592849 is an apocalyptic number.

It is an amenable number.

13678592849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13678592849 is an equidigital number, since it uses as much as digits as its factorization.

13678592849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 62.

The spelling of 13678592849 in words is "thirteen billion, six hundred seventy-eight million, five hundred ninety-two thousand, eight hundred forty-nine".