98446664489 has 2 divisors, whose sum is σ = 98446664490. Its totient is φ = 98446664488.

The previous prime is 98446664461. The next prime is 98446664497.

98446664489 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97443865600 + 1002798889 = 312160^2 + 31667^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98446664489 - 2¹² = 98446660393 is a prime.

It is a super-2 number, since 2×98446664489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98446663489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49223332244 + 49223332245.

It is an arithmetic number, because the mean of its divisors is an integer number (49223332245).

Almost surely, 2^98446664489 is an apocalyptic number.

It is an amenable number.

98446664489 is a deficient number, since it is larger than the sum of its proper divisors (1).

98446664489 is an equidigital number, since it uses as much as digits as its factorization.

98446664489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 286654464, while the sum is 68.

The spelling of 98446664489 in words is "ninety-eight billion, four hundred forty-six million, six hundred sixty-four thousand, four hundred eighty-nine".