541641294891 has 12 divisors (see below), whose sum is σ = 816386879568. Its totient is φ = 345394448784.

The previous prime is 541641294881. The next prime is 541641294911. The reversal of 541641294891 is 198492146145.

541641294891 is a `hidden beast` number, since 54 + 1 + 6 + 412 + 94 + 8 + 91 = 666.

It is not a de Polignac number, because 541641294891 - 2¹⁹ = 541640770603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541641294851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1308312100 + ... + 1308312513.

It is an arithmetic number, because the mean of its divisors is an integer number (68032239964).

Almost surely, 2^541641294891 is an apocalyptic number.

541641294891 is a deficient number, since it is larger than the sum of its proper divisors (274745584677).

541641294891 is a wasteful number, since it uses less digits than its factorization.

541641294891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616624642 (or 2616624639 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 541641294891 in words is "five hundred forty-one billion, six hundred forty-one million, two hundred ninety-four thousand, eight hundred ninety-one".