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19244086297 is a prime number
BaseRepresentation
bin10001111011000010…
…010111010000011001
31211200011010212120221
4101323002113100121
5303402441230142
612501323320041
71250613014602
oct217302272031
954604125527
1019244086297
11818586a957
123890980021
131a78bbc517
14d07b54da9
15779701767
hex47b097419

19244086297 has 2 divisors, whose sum is σ = 19244086298. Its totient is φ = 19244086296.

The previous prime is 19244086247. The next prime is 19244086387. The reversal of 19244086297 is 79268044291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10005800841 + 9238285456 = 100029^2 + 96116^2 .

It is a cyclic number.

It is not a de Polignac number, because 19244086297 - 215 = 19244053529 is a prime.

It is not a weakly prime, because it can be changed into another prime (19244086247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9622043148 + 9622043149.

It is an arithmetic number, because the mean of its divisors is an integer number (9622043149).

Almost surely, 219244086297 is an apocalyptic number.

It is an amenable number.

19244086297 is a deficient number, since it is larger than the sum of its proper divisors (1).

19244086297 is an equidigital number, since it uses as much as digits as its factorization.

19244086297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 19244086297 in words is "nineteen billion, two hundred forty-four million, eighty-six thousand, two hundred ninety-seven".