98800986966449 has 2 divisors, whose sum is σ = 98800986966450. Its totient is φ = 98800986966448.

The previous prime is 98800986966439. The next prime is 98800986966527. The reversal of 98800986966449 is 94466968900889.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62902854801424 + 35898132165025 = 7931132^2 + 5991505^2 .

It is a cyclic number.

It is not a de Polignac number, because 98800986966449 - 2⁴⁰ = 97701475338673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98800986966439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49400493483224 + 49400493483225.

It is an arithmetic number, because the mean of its divisors is an integer number (49400493483225).

Almost surely, 2^{98800986966449} is an apocalyptic number.

It is an amenable number.

98800986966449 is a deficient number, since it is larger than the sum of its proper divisors (1).

98800986966449 is an equidigital number, since it uses as much as digits as its factorization.

98800986966449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11609505792, while the sum is 86.

The spelling of 98800986966449 in words is "ninety-eight trillion, eight hundred billion, nine hundred eighty-six million, nine hundred sixty-six thousand, four hundred forty-nine".