541966143547 has 2 divisors, whose sum is σ = 541966143548. Its totient is φ = 541966143546.

The previous prime is 541966143539. The next prime is 541966143581. The reversal of 541966143547 is 745341669145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541966143547 - 2³ = 541966143539 is a prime.

It is not a weakly prime, because it can be changed into another prime (541966113547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270983071773 + 270983071774.

It is an arithmetic number, because the mean of its divisors is an integer number (270983071774).

Almost surely, 2^541966143547 is an apocalyptic number.

541966143547 is a deficient number, since it is larger than the sum of its proper divisors (1).

541966143547 is an equidigital number, since it uses as much as digits as its factorization.

541966143547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 55.

The spelling of 541966143547 in words is "five hundred forty-one billion, nine hundred sixty-six million, one hundred forty-three thousand, five hundred forty-seven".