220573608272749 has 2 divisors, whose sum is σ = 220573608272750. Its totient is φ = 220573608272748.

The previous prime is 220573608272701. The next prime is 220573608272753. The reversal of 220573608272749 is 947272806375022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128389702722724 + 92183905550025 = 11330918^2 + 9601245^2 .

It is a cyclic number.

It is not a de Polignac number, because 220573608272749 - 2⁴⁵ = 185389236183917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220573608272779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110286804136374 + 110286804136375.

It is an arithmetic number, because the mean of its divisors is an integer number (110286804136375).

Almost surely, 2^{220573608272749} is an apocalyptic number.

It is an amenable number.

220573608272749 is a deficient number, since it is larger than the sum of its proper divisors (1).

220573608272749 is an equidigital number, since it uses as much as digits as its factorization.

220573608272749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142248960, while the sum is 64.

The spelling of 220573608272749 in words is "two hundred twenty trillion, five hundred seventy-three billion, six hundred eight million, two hundred seventy-two thousand, seven hundred forty-nine".