8489946625625 has 20 divisors (see below), whose sum is σ = 10627424301252. Its totient is φ = 6780185856000.

The previous prime is 8489946625621. The next prime is 8489946625673. The reversal of 8489946625625 is 5265266499848.

It can be written as a sum of positive squares in 10 ways, for example, as 3445556400841 + 5044390224784 = 1856221^2 + 2245972^2 .

It is not a de Polignac number, because 8489946625625 - 2² = 8489946625621 is a prime.

It is a super-2 number, since 2×8489946625625² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8489946625621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11410532 + ... + 12131781.

Almost surely, 2^{8489946625625} is an apocalyptic number.

It is an amenable number.

8489946625625 is a deficient number, since it is larger than the sum of its proper divisors (2137477675627).

8489946625625 is an equidigital number, since it uses as much as digits as its factorization.

8489946625625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23542910 (or 23542895 counting only the distinct ones).

The product of its digits is 1791590400, while the sum is 74.

The spelling of 8489946625625 in words is "eight trillion, four hundred eighty-nine billion, nine hundred forty-six million, six hundred twenty-five thousand, six hundred twenty-five".