489569649092 has 6 divisors (see below), whose sum is σ = 856746885918. Its totient is φ = 244784824544.

The previous prime is 489569649089. The next prime is 489569649097. The reversal of 489569649092 is 290946965984.

It can be written as a sum of positive squares in only one way, i.e., 478509761536 + 11059887556 = 691744^2 + 105166^2 .

It is not an unprimeable number, because it can be changed into a prime (489569649097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61196206133 + ... + 61196206140.

It is an arithmetic number, because the mean of its divisors is an integer number (142791147653).

Almost surely, 2^489569649092 is an apocalyptic number.

It is an amenable number.

489569649092 is a deficient number, since it is larger than the sum of its proper divisors (367177236826).

489569649092 is a wasteful number, since it uses less digits than its factorization.

489569649092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122392412277 (or 122392412275 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 71.

The spelling of 489569649092 in words is "four hundred eighty-nine billion, five hundred sixty-nine million, six hundred forty-nine thousand, ninety-two".