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85493203349 is a prime number
BaseRepresentation
bin100111110011111001…
…0101100000110010101
322011200011112201100212
41033213302230012111
52400042230001344
6103135224015205
76114413144501
oct1174762540625
9264604481325
1085493203349
1133291759064
121469b601505
1380a6208cb8
1441d0543301
15235589979e
hex13e7cac195

85493203349 has 2 divisors, whose sum is σ = 85493203350. Its totient is φ = 85493203348.

The previous prime is 85493203249. The next prime is 85493203351. The reversal of 85493203349 is 94330239458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52521180625 + 32972022724 = 229175^2 + 181582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85493203349 is a prime.

Together with 85493203351, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85493203297 and 85493203306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85493203379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42746601674 + 42746601675.

It is an arithmetic number, because the mean of its divisors is an integer number (42746601675).

Almost surely, 285493203349 is an apocalyptic number.

It is an amenable number.

85493203349 is a deficient number, since it is larger than the sum of its proper divisors (1).

85493203349 is an equidigital number, since it uses as much as digits as its factorization.

85493203349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 85493203349 in words is "eighty-five billion, four hundred ninety-three million, two hundred three thousand, three hundred forty-nine".