489097547477 has 32 divisors (see below), whose sum is σ = 642038707200. Its totient is φ = 360965808000.

The previous prime is 489097547461. The next prime is 489097547527. The reversal of 489097547477 is 774745790984.

It is not a de Polignac number, because 489097547477 - 2⁴ = 489097547461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489097547477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489097547417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6106274 + ... + 6185852.

It is an arithmetic number, because the mean of its divisors is an integer number (20063709600).

Almost surely, 2^489097547477 is an apocalyptic number.

It is an amenable number.

489097547477 is a deficient number, since it is larger than the sum of its proper divisors (152941159723).

489097547477 is a wasteful number, since it uses less digits than its factorization.

489097547477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83817.

The product of its (nonzero) digits is 497871360, while the sum is 71.

The spelling of 489097547477 in words is "four hundred eighty-nine billion, ninety-seven million, five hundred forty-seven thousand, four hundred seventy-seven".