2196979092841 has 27 divisors (see below), whose sum is σ = 2402597731599. Its totient is φ = 2008041864192.

The previous prime is 2196979092839. The next prime is 2196979092851. The reversal of 2196979092841 is 1482909796912.

The square root of 2196979092841 is 1482221.

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

It can be written as a sum of positive squares in 13 ways, for example, as 1771483802841 + 425495290000 = 1330971^2 + 652300^2 .

It is not a de Polignac number, because 2196979092841 - 2¹ = 2196979092839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2196979092821) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2177382145 + ... + 2177383153.

Almost surely, 2^{2196979092841} is an apocalyptic number.

2196979092841 is the 1482221-st square number.

2196979092841 is the 741111-st centered octagonal number.

It is an amenable number.

2196979092841 is a deficient number, since it is larger than the sum of its proper divisors (205618638758).

2196979092841 is an frugal number, since it uses more digits than its factorization.

2196979092841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 2196979092841 in words is "two trillion, one hundred ninety-six billion, nine hundred seventy-nine million, ninety-two thousand, eight hundred forty-one".