6220290749 has 2 divisors, whose sum is σ = 6220290750. Its totient is φ = 6220290748.

The previous prime is 6220290733. The next prime is 6220290757. The reversal of 6220290749 is 9470920226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4718728249 + 1501562500 = 68693^2 + 38750^2 .

It is a cyclic number.

It is not a de Polignac number, because 6220290749 - 2⁴ = 6220290733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6220290149) 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, 3110145374 + 3110145375.

It is an arithmetic number, because the mean of its divisors is an integer number (3110145375).

Almost surely, 2^6220290749 is an apocalyptic number.

It is an amenable number.

6220290749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220290749 is an equidigital number, since it uses as much as digits as its factorization.

6220290749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6220290749 is about 78868.8198783271. The cubic root of 6220290749 is about 1839.0924506954.

The spelling of 6220290749 in words is "six billion, two hundred twenty million, two hundred ninety thousand, seven hundred forty-nine".