6098981821 has 2 divisors, whose sum is σ = 6098981822. Its totient is φ = 6098981820.

The previous prime is 6098981789. The next prime is 6098981827. The reversal of 6098981821 is 1281898906.

6098981821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5369225625 + 729756196 = 73275^2 + 27014^2 .

It is a cyclic number.

It is not a de Polignac number, because 6098981821 - 2⁵ = 6098981789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6098981827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3049490910 + 3049490911.

It is an arithmetic number, because the mean of its divisors is an integer number (3049490911).

Almost surely, 2^6098981821 is an apocalyptic number.

It is an amenable number.

6098981821 is a deficient number, since it is larger than the sum of its proper divisors (1).

6098981821 is an equidigital number, since it uses as much as digits as its factorization.

6098981821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 52.

The square root of 6098981821 is about 78095.9782639285. The cubic root of 6098981821 is about 1827.0584713117.

The spelling of 6098981821 in words is "six billion, ninety-eight million, nine hundred eighty-one thousand, eight hundred twenty-one".