541744913891 has 2 divisors, whose sum is σ = 541744913892. Its totient is φ = 541744913890.

The previous prime is 541744913839. The next prime is 541744913999. The reversal of 541744913891 is 198319447145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541744913891 - 2¹⁰ = 541744912867 is a prime.

It is not a weakly prime, because it can be changed into another prime (541744213891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270872456945 + 270872456946.

It is an arithmetic number, because the mean of its divisors is an integer number (270872456946).

Almost surely, 2^541744913891 is an apocalyptic number.

541744913891 is a deficient number, since it is larger than the sum of its proper divisors (1).

541744913891 is an equidigital number, since it uses as much as digits as its factorization.

541744913891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The spelling of 541744913891 in words is "five hundred forty-one billion, seven hundred forty-four million, nine hundred thirteen thousand, eight hundred ninety-one".