489288469449 has 16 divisors (see below), whose sum is σ = 717516317952. Its totient is φ = 294694199808.

The previous prime is 489288469447. The next prime is 489288469451. The reversal of 489288469449 is 944964882984.

It is an interprime number because it is at equal distance from previous prime (489288469447) and next prime (489288469451).

It is not a de Polignac number, because 489288469449 - 2¹ = 489288469447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489288469447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133464744 + ... + 133468409.

It is an arithmetic number, because the mean of its divisors is an integer number (44844769872).

Almost surely, 2^489288469449 is an apocalyptic number.

It is an amenable number.

489288469449 is a deficient number, since it is larger than the sum of its proper divisors (228227848503).

489288469449 is a wasteful number, since it uses less digits than its factorization.

489288469449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266933216.

The product of its digits is 1146617856, while the sum is 75.

The spelling of 489288469449 in words is "four hundred eighty-nine billion, two hundred eighty-eight million, four hundred sixty-nine thousand, four hundred forty-nine".