498733122221 has 2 divisors, whose sum is σ = 498733122222. Its totient is φ = 498733122220.

The previous prime is 498733122169. The next prime is 498733122227. The reversal of 498733122221 is 122221337894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276661272196 + 222071850025 = 525986^2 + 471245^2 .

It is a cyclic number.

It is not a de Polignac number, because 498733122221 - 2⁶ = 498733122157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498733122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249366561110 + 249366561111.

It is an arithmetic number, because the mean of its divisors is an integer number (249366561111).

Almost surely, 2^498733122221 is an apocalyptic number.

It is an amenable number.

498733122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

498733122221 is an equidigital number, since it uses as much as digits as its factorization.

498733122221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The spelling of 498733122221 in words is "four hundred ninety-eight billion, seven hundred thirty-three million, one hundred twenty-two thousand, two hundred twenty-one".