489161619 has 16 divisors (see below), whose sum is σ = 727885440. Its totient is φ = 324667080.

The previous prime is 489161609. The next prime is 489161657. The reversal of 489161619 is 916161984.

489161619 is a `hidden beast` number, since 489 + 1 + 6 + 161 + 9 = 666.

It is not a de Polignac number, because 489161619 - 2⁸ = 489161363 is a prime.

It is a super-2 number, since 2×489161619² = 478558179005402322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489161609) 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, 33777 + ... + 46034.

It is an arithmetic number, because the mean of its divisors is an integer number (45492840).

Almost surely, 2^489161619 is an apocalyptic number.

489161619 is a deficient number, since it is larger than the sum of its proper divisors (238723821).

489161619 is a wasteful number, since it uses less digits than its factorization.

489161619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80047 (or 80041 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 489161619 is about 22116.9984175068. The cubic root of 489161619 is about 787.9236287611.

The spelling of 489161619 in words is "four hundred eighty-nine million, one hundred sixty-one thousand, six hundred nineteen".