489774969 has 12 divisors (see below), whose sum is σ = 717417792. Its totient is φ = 321917400.

The previous prime is 489774941. The next prime is 489774977. The reversal of 489774969 is 969477984.

It is not a de Polignac number, because 489774969 - 2⁷ = 489774841 is a prime.

It is a super-2 number, since 2×489774969² = 479759040517901922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489774469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382597 + ... + 383874.

It is an arithmetic number, because the mean of its divisors is an integer number (59784816).

Almost surely, 2^489774969 is an apocalyptic number.

It is an amenable number.

489774969 is a deficient number, since it is larger than the sum of its proper divisors (227642823).

489774969 is a wasteful number, since it uses less digits than its factorization.

489774969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766548 (or 766545 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 489774969 is about 22130.8601052919. The cubic root of 489774969 is about 788.2528117896.

The spelling of 489774969 in words is "four hundred eighty-nine million, seven hundred seventy-four thousand, nine hundred sixty-nine".