489796122449 has 8 divisors (see below), whose sum is σ = 501751609800. Its totient is φ = 477841075200.

The previous prime is 489796122391. The next prime is 489796122499. The reversal of 489796122449 is 944221697984.

It can be written as a sum of positive squares in 4 ways, for example, as 103076313025 + 386719809424 = 321055^2 + 621868^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489796122449 - 2¹⁶ = 489796056913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489796122499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3938777 + ... + 4061225.

It is an arithmetic number, because the mean of its divisors is an integer number (62718951225).

Almost surely, 2^489796122449 is an apocalyptic number.

It is an amenable number.

489796122449 is a deficient number, since it is larger than the sum of its proper divisors (11955487351).

489796122449 is a wasteful number, since it uses less digits than its factorization.

489796122449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220051.

The product of its digits is 62705664, while the sum is 65.

It can be divided in two parts, 489796 and 122449, that multiplied together give a square (59975030404 = 244898²).

The spelling of 489796122449 in words is "four hundred eighty-nine billion, seven hundred ninety-six million, one hundred twenty-two thousand, four hundred forty-nine".