6205661741 has 2 divisors, whose sum is σ = 6205661742. Its totient is φ = 6205661740.

The previous prime is 6205661701. The next prime is 6205661743. The reversal of 6205661741 is 1471665026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6166960900 + 38700841 = 78530^2 + 6221^2 .

It is a cyclic number.

It is not a de Polignac number, because 6205661741 - 2⁶ = 6205661677 is a prime.

It is a super-2 number, since 2×6205661741² = 77020475287422302162, which contains 22 as substring.

Together with 6205661743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6205661695 and 6205661704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6205661743) 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, 3102830870 + 3102830871.

It is an arithmetic number, because the mean of its divisors is an integer number (3102830871).

Almost surely, 2^6205661741 is an apocalyptic number.

It is an amenable number.

6205661741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6205661741 is an equidigital number, since it uses as much as digits as its factorization.

6205661741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 6205661741 is about 78776.0226274467. The cubic root of 6205661741 is about 1837.6495804682.

The spelling of 6205661741 in words is "six billion, two hundred five million, six hundred sixty-one thousand, seven hundred forty-one".