489609198025 has 6 divisors (see below), whose sum is σ = 607115405582. Its totient is φ = 391687358400.

The previous prime is 489609198019. The next prime is 489609198031. The reversal of 489609198025 is 520891906984.

It is an interprime number because it is at equal distance from previous prime (489609198019) and next prime (489609198031).

It can be written as a sum of positive squares in 3 ways, for example, as 14965362889 + 474643835136 = 122333^2 + 688944^2 .

It is not a de Polignac number, because 489609198025 - 2⁹ = 489609197513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9792183936 + ... + 9792183985.

Almost surely, 2^489609198025 is an apocalyptic number.

It is an amenable number.

489609198025 is a deficient number, since it is larger than the sum of its proper divisors (117506207557).

489609198025 is a wasteful number, since it uses less digits than its factorization.

489609198025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19584367931 (or 19584367926 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 489609198025 in words is "four hundred eighty-nine billion, six hundred nine million, one hundred ninety-eight thousand, twenty-five".