2441781287361 has 12 divisors (see below), whose sum is σ = 3798326447188. Its totient is φ = 1502634638304.

The previous prime is 2441781287359. The next prime is 2441781287369. The reversal of 2441781287361 is 1637821871442.

2441781287361 is a `hidden beast` number, since 2 + 4 + 417 + 81 + 28 + 73 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 769621952961 + 1672159334400 = 877281^2 + 1293120^2 .

It is not a de Polignac number, because 2441781287361 - 2¹ = 2441781287359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2441781287298 and 2441781287307.

It is not an unprimeable number, because it can be changed into a prime (2441781287369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10434962650 + ... + 10434962883.

Almost surely, 2^{2441781287361} is an apocalyptic number.

It is an amenable number.

2441781287361 is a deficient number, since it is larger than the sum of its proper divisors (1356545159827).

2441781287361 is a wasteful number, since it uses less digits than its factorization.

2441781287361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20869925552 (or 20869925549 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 2441781287361 in words is "two trillion, four hundred forty-one billion, seven hundred eighty-one million, two hundred eighty-seven thousand, three hundred sixty-one".