220930081049 has 2 divisors, whose sum is σ = 220930081050. Its totient is φ = 220930081048.

The previous prime is 220930081013. The next prime is 220930081103. The reversal of 220930081049 is 940180039022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220930081024 + 25 = 470032^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 220930081049 - 2³⁶ = 152210604313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (220930081949) 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, 110465040524 + 110465040525.

It is an arithmetic number, because the mean of its divisors is an integer number (110465040525).

Almost surely, 2^220930081049 is an apocalyptic number.

It is an amenable number.

220930081049 is a deficient number, since it is larger than the sum of its proper divisors (1).

220930081049 is an equidigital number, since it uses as much as digits as its factorization.

220930081049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 220930081049 in words is "two hundred twenty billion, nine hundred thirty million, eighty-one thousand, forty-nine".