220653645379 has 2 divisors, whose sum is σ = 220653645380. Its totient is φ = 220653645378.

The previous prime is 220653645367. The next prime is 220653645419. The reversal of 220653645379 is 973546356022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220653645379 - 2⁵ = 220653645347 is a prime.

It is not a weakly prime, because it can be changed into another prime (220653645479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110326822689 + 110326822690.

It is an arithmetic number, because the mean of its divisors is an integer number (110326822690).

Almost surely, 2^220653645379 is an apocalyptic number.

220653645379 is a deficient number, since it is larger than the sum of its proper divisors (1).

220653645379 is an equidigital number, since it uses as much as digits as its factorization.

220653645379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 220653645379 in words is "two hundred twenty billion, six hundred fifty-three million, six hundred forty-five thousand, three hundred seventy-nine".