489669823137 has 32 divisors (see below), whose sum is σ = 718191290880. Its totient is φ = 294297696000.

The previous prime is 489669823127. The next prime is 489669823169. The reversal of 489669823137 is 731328966984.

It is not a de Polignac number, because 489669823137 - 2⁶ = 489669823073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489669823127) 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, 3980562 + ... + 4101732.

It is an arithmetic number, because the mean of its divisors is an integer number (22443477840).

Almost surely, 2^489669823137 is an apocalyptic number.

It is an amenable number.

489669823137 is a deficient number, since it is larger than the sum of its proper divisors (228521467743).

489669823137 is a wasteful number, since it uses less digits than its factorization.

489669823137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122205.

The product of its digits is 94058496, while the sum is 66.

The spelling of 489669823137 in words is "four hundred eighty-nine billion, six hundred sixty-nine million, eight hundred twenty-three thousand, one hundred thirty-seven".