489548769071 has 2 divisors, whose sum is σ = 489548769072. Its totient is φ = 489548769070.

The previous prime is 489548769067. The next prime is 489548769107. The reversal of 489548769071 is 170967845984.

Together with next prime (489548769107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489548769071 - 2² = 489548769067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489548768992 and 489548769010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489548769041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244774384535 + 244774384536.

It is an arithmetic number, because the mean of its divisors is an integer number (244774384536).

Almost surely, 2^489548769071 is an apocalyptic number.

489548769071 is a deficient number, since it is larger than the sum of its proper divisors (1).

489548769071 is an equidigital number, since it uses as much as digits as its factorization.

489548769071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 489548769071 in words is "four hundred eighty-nine billion, five hundred forty-eight million, seven hundred sixty-nine thousand, seventy-one".