2680486053961 has 27 divisors (see below), whose sum is σ = 2868014244501. Its totient is φ = 2504709310464.

The previous prime is 2680486053941. The next prime is 2680486053977. The reversal of 2680486053961 is 1693506840862.

The square root of 2680486053961 is 1637219.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1633695561 + 2678852358400 = 40419^2 + 1636720^2 .

It is not a de Polignac number, because 2680486053961 - 2²⁷ = 2680351836233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2680486053896 and 2680486053905.

It is not an unprimeable number, because it can be changed into a prime (2680486053901) 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, 5371715290 + ... + 5371715788.

Almost surely, 2^{2680486053961} is an apocalyptic number.

2680486053961 is the 1637219-th square number.

2680486053961 is the 818610-th centered octagonal number.

It is an amenable number.

2680486053961 is a deficient number, since it is larger than the sum of its proper divisors (187528190540).

2680486053961 is an frugal number, since it uses more digits than its factorization.

2680486053961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 2680486053961 in words is "two trillion, six hundred eighty billion, four hundred eighty-six million, fifty-three thousand, nine hundred sixty-one".