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489268526479 is a prime number
BaseRepresentation
bin1110001111010101010…
…11010011110110001111
31201202212222001101002021
413013222223103312033
531004010220321404
61012433350311011
750230346566465
oct7075253236617
91652788041067
10489268526479
11179552367617
127a9a7058467
13371a3a51645
1419975c92835
15cad8937454
hex71eaad3d8f

489268526479 has 2 divisors, whose sum is σ = 489268526480. Its totient is φ = 489268526478.

The previous prime is 489268526477. The next prime is 489268526489. The reversal of 489268526479 is 974625862984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489268526479 - 21 = 489268526477 is a prime.

Together with 489268526477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489268526477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244634263239 + 244634263240.

It is an arithmetic number, because the mean of its divisors is an integer number (244634263240).

Almost surely, 2489268526479 is an apocalyptic number.

489268526479 is a deficient number, since it is larger than the sum of its proper divisors (1).

489268526479 is an equidigital number, since it uses as much as digits as its factorization.

489268526479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 418037760, while the sum is 70.

The spelling of 489268526479 in words is "four hundred eighty-nine billion, two hundred sixty-eight million, five hundred twenty-six thousand, four hundred seventy-nine".