2080612959489 has 27 divisors (see below), whose sum is σ = 3192625884643. Its totient is φ = 1305436483392.

The previous prime is 2080612959487. The next prime is 2080612959499. The reversal of 2080612959489 is 9849592160802.

The square root of 2080612959489 is 1442433.

It is a perfect power (a square), and thus also a powerful number.

2080612959489 is a `hidden beast` number, since 2 + 0 + 8 + 0 + 61 + 2 + 95 + 9 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1619854380225 + 460758579264 = 1272735^2 + 678792^2 .

It is not a de Polignac number, because 2080612959489 - 2¹ = 2080612959487 is a prime.

It is a super-2 number, since 2×2080612959489² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080612959487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 73549942 + ... + 73578224.

Almost surely, 2^{2080612959489} is an apocalyptic number.

2080612959489 is the 1442433-rd square number.

2080612959489 is the 721217-th centered octagonal number.

It is an amenable number.

2080612959489 is a deficient number, since it is larger than the sum of its proper divisors (1112012925154).

2080612959489 is an frugal number, since it uses more digits than its factorization.

2080612959489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56606 (or 28303 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 2080612959489 in words is "two trillion, eighty billion, six hundred twelve million, nine hundred fifty-nine thousand, four hundred eighty-nine".