220898844349 has 2 divisors, whose sum is σ = 220898844350. Its totient is φ = 220898844348.

The previous prime is 220898844347. The next prime is 220898844421. The reversal of 220898844349 is 943448898022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150664304025 + 70234540324 = 388155^2 + 265018^2 .

It is a cyclic number.

It is not a de Polignac number, because 220898844349 - 2¹ = 220898844347 is a prime.

Together with 220898844347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220898844347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110449422174 + 110449422175.

It is an arithmetic number, because the mean of its divisors is an integer number (110449422175).

Almost surely, 2^220898844349 is an apocalyptic number.

It is an amenable number.

220898844349 is a deficient number, since it is larger than the sum of its proper divisors (1).

220898844349 is an equidigital number, since it uses as much as digits as its factorization.

220898844349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31850496, while the sum is 61.

The spelling of 220898844349 in words is "two hundred twenty billion, eight hundred ninety-eight million, eight hundred forty-four thousand, three hundred forty-nine".