198497585270603 has 2 divisors, whose sum is σ = 198497585270604. Its totient is φ = 198497585270602.

The previous prime is 198497585270597. The next prime is 198497585270737. The reversal of 198497585270603 is 306072585794891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198497585270603 - 2⁶ = 198497585270539 is a prime.

It is not a weakly prime, because it can be changed into another prime (198497585270003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99248792635301 + 99248792635302.

It is an arithmetic number, because the mean of its divisors is an integer number (99248792635302).

It is a 1-persistent number, because it is pandigital, but 2⋅198497585270603 = 396995170541206 is not.

Almost surely, 2^{198497585270603} is an apocalyptic number.

198497585270603 is a deficient number, since it is larger than the sum of its proper divisors (1).

198497585270603 is an equidigital number, since it uses as much as digits as its factorization.

198497585270603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 914457600, while the sum is 74.

The spelling of 198497585270603 in words is "one hundred ninety-eight trillion, four hundred ninety-seven billion, five hundred eighty-five million, two hundred seventy thousand, six hundred three".