541547356849 has 2 divisors, whose sum is σ = 541547356850. Its totient is φ = 541547356848.

The previous prime is 541547356787. The next prime is 541547356853. The reversal of 541547356849 is 948653745145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509167873600 + 32379483249 = 713560^2 + 179943^2 .

It is a cyclic number.

It is not a de Polignac number, because 541547356849 - 2¹⁷ = 541547225777 is a prime.

It is not a weakly prime, because it can be changed into another prime (541547356549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270773678424 + 270773678425.

It is an arithmetic number, because the mean of its divisors is an integer number (270773678425).

Almost surely, 2^541547356849 is an apocalyptic number.

It is an amenable number.

541547356849 is a deficient number, since it is larger than the sum of its proper divisors (1).

541547356849 is an equidigital number, since it uses as much as digits as its factorization.

541547356849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576000, while the sum is 61.

The spelling of 541547356849 in words is "five hundred forty-one billion, five hundred forty-seven million, three hundred fifty-six thousand, eight hundred forty-nine".