541731400109 has 2 divisors, whose sum is σ = 541731400110. Its totient is φ = 541731400108.

The previous prime is 541731400051. The next prime is 541731400157. The reversal of 541731400109 is 901004137145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541691584009 + 39816100 = 735997^2 + 6310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541731400109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541731400409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270865700054 + 270865700055.

It is an arithmetic number, because the mean of its divisors is an integer number (270865700055).

Almost surely, 2^541731400109 is an apocalyptic number.

It is an amenable number.

541731400109 is a deficient number, since it is larger than the sum of its proper divisors (1).

541731400109 is an equidigital number, since it uses as much as digits as its factorization.

541731400109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 541731400109 in words is "five hundred forty-one billion, seven hundred thirty-one million, four hundred thousand, one hundred nine".