489379156929 has 24 divisors (see below), whose sum is σ = 765120748392. Its totient is φ = 299627677440.

The previous prime is 489379156921. The next prime is 489379156933. The reversal of 489379156929 is 929651973984.

489379156929 is a `hidden beast` number, since 4 + 8 + 9 + 37 + 9 + 1 + 569 + 29 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 103216340529 + 386162816400 = 321273^2 + 621420^2 .

It is not a de Polignac number, because 489379156929 - 2³ = 489379156921 is a prime.

It is a super-2 number, since 2×489379156929² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489379156921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10593012 + ... + 10639109.

It is an arithmetic number, because the mean of its divisors is an integer number (31880031183).

Almost surely, 2^489379156929 is an apocalyptic number.

It is an amenable number.

489379156929 is a deficient number, since it is larger than the sum of its proper divisors (275741591463).

489379156929 is a wasteful number, since it uses less digits than its factorization.

489379156929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21232337 (or 21232334 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 72.

The spelling of 489379156929 in words is "four hundred eighty-nine billion, three hundred seventy-nine million, one hundred fifty-six thousand, nine hundred twenty-nine".