489189155 has 16 divisors (see below), whose sum is σ = 722495424. Its totient is φ = 309640320.

The previous prime is 489189137. The next prime is 489189167. The reversal of 489189155 is 551981984.

It is not a de Polignac number, because 489189155 - 2⁸ = 489188899 is a prime.

It is a super-2 number, since 2×489189155² = 478612058739228050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537116 + ... + 538025.

It is an arithmetic number, because the mean of its divisors is an integer number (45155964).

Almost surely, 2^489189155 is an apocalyptic number.

489189155 is a deficient number, since it is larger than the sum of its proper divisors (233306269).

489189155 is a wasteful number, since it uses less digits than its factorization.

489189155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075166.

The product of its digits is 518400, while the sum is 50.

The square root of 489189155 is about 22117.6209163644. The cubic root of 489189155 is about 787.9384131439.

The spelling of 489189155 in words is "four hundred eighty-nine million, one hundred eighty-nine thousand, one hundred fifty-five".