5541821741 has 2 divisors, whose sum is σ = 5541821742. Its totient is φ = 5541821740.

The previous prime is 5541821737. The next prime is 5541821777. The reversal of 5541821741 is 1471281455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4064572516 + 1477249225 = 63754^2 + 38435^2 .

It is a cyclic number.

It is not a de Polignac number, because 5541821741 - 2² = 5541821737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5541821695 and 5541821704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5541821711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770910870 + 2770910871.

It is an arithmetic number, because the mean of its divisors is an integer number (2770910871).

Almost surely, 2^5541821741 is an apocalyptic number.

It is an amenable number.

5541821741 is a deficient number, since it is larger than the sum of its proper divisors (1).

5541821741 is an equidigital number, since it uses as much as digits as its factorization.

5541821741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 38.

The square root of 5541821741 is about 74443.4130128381. The cubic root of 5541821741 is about 1769.6369754604.

The spelling of 5541821741 in words is "five billion, five hundred forty-one million, eight hundred twenty-one thousand, seven hundred forty-one".