541338977173 has 2 divisors, whose sum is σ = 541338977174. Its totient is φ = 541338977172.

The previous prime is 541338977129. The next prime is 541338977203. The reversal of 541338977173 is 371779833145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421717762404 + 119621214769 = 649398^2 + 345863^2 .

It is a cyclic number.

It is not a de Polignac number, because 541338977173 - 2¹⁷ = 541338846101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541338977873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270669488586 + 270669488587.

It is an arithmetic number, because the mean of its divisors is an integer number (270669488587).

Almost surely, 2^541338977173 is an apocalyptic number.

It is an amenable number.

541338977173 is a deficient number, since it is larger than the sum of its proper divisors (1).

541338977173 is an equidigital number, since it uses as much as digits as its factorization.

541338977173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 58.

The spelling of 541338977173 in words is "five hundred forty-one billion, three hundred thirty-eight million, nine hundred seventy-seven thousand, one hundred seventy-three".