98444633644489 has 32 divisors (see below), whose sum is σ = 116434058674176. Its totient is φ = 82223312881920.

The previous prime is 98444633644463. The next prime is 98444633644493.

98444633644489 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 98444633644489 - 2¹⁹ = 98444633120201 is a prime.

It is a super-2 number, since 2×98444633644489² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98444633644459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11256387 + ... + 17988760.

It is an arithmetic number, because the mean of its divisors is an integer number (3638564333568).

Almost surely, 2^{98444633644489} is an apocalyptic number.

It is an amenable number.

98444633644489 is a deficient number, since it is larger than the sum of its proper divisors (17989425029687).

98444633644489 is a wasteful number, since it uses less digits than its factorization.

98444633644489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29245605.

The product of its digits is 6879707136, while the sum is 76.

The spelling of 98444633644489 in words is "ninety-eight trillion, four hundred forty-four billion, six hundred thirty-three million, six hundred forty-four thousand, four hundred eighty-nine".