6212122849 has 2 divisors, whose sum is σ = 6212122850. Its totient is φ = 6212122848.

The previous prime is 6212122841. The next prime is 6212122883. The reversal of 6212122849 is 9482212126.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4633252624 + 1578870225 = 68068^2 + 39735^2 .

It is a cyclic number.

It is not a de Polignac number, because 6212122849 - 2³ = 6212122841 is a prime.

It is not a weakly prime, because it can be changed into another prime (6212122841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106061424 + 3106061425.

It is an arithmetic number, because the mean of its divisors is an integer number (3106061425).

Almost surely, 2^6212122849 is an apocalyptic number.

It is an amenable number.

6212122849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6212122849 is an equidigital number, since it uses as much as digits as its factorization.

6212122849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 6212122849 is about 78817.0213151956. The cubic root of 6212122849 is about 1838.2871237643.

The spelling of 6212122849 in words is "six billion, two hundred twelve million, one hundred twenty-two thousand, eight hundred forty-nine".