498445544893 has 16 divisors (see below), whose sum is σ = 525424282240. Its totient is φ = 471541694400.

The previous prime is 498445544887. The next prime is 498445544903. The reversal of 498445544893 is 398445544894.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498445544893 is a prime.

It is a super-3 number, since 3×498445544893³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498445544843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89308363 + ... + 89313943.

It is an arithmetic number, because the mean of its divisors is an integer number (32839017640).

Almost surely, 2^498445544893 is an apocalyptic number.

It is an amenable number.

498445544893 is a deficient number, since it is larger than the sum of its proper divisors (26978737347).

498445544893 is a wasteful number, since it uses less digits than its factorization.

498445544893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428.

The product of its digits is 398131200, while the sum is 67.

Subtracting from 498445544893 its reverse (398445544894), we obtain a palindrome (99999999999).

The spelling of 498445544893 in words is "four hundred ninety-eight billion, four hundred forty-five million, five hundred forty-four thousand, eight hundred ninety-three".