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69341749889 is a prime number
BaseRepresentation
bin100000010010100010…
…1110010001010000001
320121222112201212110212
41000211011302022001
52114002441444024
651504414203505
75003232102056
oct1004505621201
9217875655425
1069341749889
1127453679015
12115324b3595
136700c65449
1434db42902d
151c0c938a0e
hex1025172281

69341749889 has 2 divisors, whose sum is σ = 69341749890. Its totient is φ = 69341749888.

The previous prime is 69341749849. The next prime is 69341749891. The reversal of 69341749889 is 98894714396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52524847489 + 16816902400 = 229183^2 + 129680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69341749889 is a prime.

Together with 69341749891, 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 (69341749849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34670874944 + 34670874945.

It is an arithmetic number, because the mean of its divisors is an integer number (34670874945).

Almost surely, 269341749889 is an apocalyptic number.

It is an amenable number.

69341749889 is a deficient number, since it is larger than the sum of its proper divisors (1).

69341749889 is an equidigital number, since it uses as much as digits as its factorization.

69341749889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 68.

The spelling of 69341749889 in words is "sixty-nine billion, three hundred forty-one million, seven hundred forty-nine thousand, eight hundred eighty-nine".