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5198618459 is a prime number
BaseRepresentation
bin1001101011101110…
…01001111101011011
3111102022010011212102
410311313021331123
541121321242314
62215504234015
7242553346016
oct46567117533
914368104772
105198618459
112228536aa1
12101100b90b
1364b0510c8
1437460437d
152065db5de
hex135dc9f5b

5198618459 has 2 divisors, whose sum is σ = 5198618460. Its totient is φ = 5198618458.

The previous prime is 5198618417. The next prime is 5198618461. The reversal of 5198618459 is 9548168915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5198618459 - 228 = 4930183003 is a prime.

Together with 5198618461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5198618959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599309229 + 2599309230.

It is an arithmetic number, because the mean of its divisors is an integer number (2599309230).

Almost surely, 25198618459 is an apocalyptic number.

5198618459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198618459 is an equidigital number, since it uses as much as digits as its factorization.

5198618459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 56.

The square root of 5198618459 is about 72101.4456096409. The cubic root of 5198618459 is about 1732.3247682665.

The spelling of 5198618459 in words is "five billion, one hundred ninety-eight million, six hundred eighteen thousand, four hundred fifty-nine".