4398562108989 has 12 divisors (see below), whose sum is σ = 6357006375772. Its totient is φ = 2930746536000.

The previous prime is 4398562108987. The next prime is 4398562109033. The reversal of 4398562108989 is 9898012658934.

4398562108989 is a `hidden beast` number, since 4 + 398 + 56 + 2 + 108 + 9 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2634226380900 + 1764335728089 = 1623030^2 + 1328283^2 .

It is not a de Polignac number, because 4398562108989 - 2¹ = 4398562108987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398562108987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135666502 + ... + 135698919.

Almost surely, 2^{4398562108989} is an apocalyptic number.

It is an amenable number.

4398562108989 is a deficient number, since it is larger than the sum of its proper divisors (1958444266783).

4398562108989 is a wasteful number, since it uses less digits than its factorization.

4398562108989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271367228 (or 271367225 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 72.

Subtracting 4398562108989 from its reverse (9898012658934), we obtain a palindrome (5499450549945).

The spelling of 4398562108989 in words is "four trillion, three hundred ninety-eight billion, five hundred sixty-two million, one hundred eight thousand, nine hundred eighty-nine".