541941117419549 has 2 divisors, whose sum is σ = 541941117419550. Its totient is φ = 541941117419548.

The previous prime is 541941117419503. The next prime is 541941117419551. The reversal of 541941117419549 is 945914711149145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525579375568324 + 16361741851225 = 22925518^2 + 4044965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541941117419549 is a prime.

Together with 541941117419551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541941117419249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270970558709774 + 270970558709775.

It is an arithmetic number, because the mean of its divisors is an integer number (270970558709775).

Almost surely, 2^{541941117419549} is an apocalyptic number.

It is an amenable number.

541941117419549 is a deficient number, since it is larger than the sum of its proper divisors (1).

541941117419549 is an equidigital number, since it uses as much as digits as its factorization.

541941117419549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32659200, while the sum is 65.

The spelling of 541941117419549 in words is "five hundred forty-one trillion, nine hundred forty-one billion, one hundred seventeen million, four hundred nineteen thousand, five hundred forty-nine".