98940459519 has 72 divisors (see below), whose sum is σ = 161615602512. Its totient is φ = 57824682240.

The previous prime is 98940459509. The next prime is 98940459523. The reversal of 98940459519 is 91595404989.

98940459519 is a `hidden beast` number, since 98 + 9 + 40 + 459 + 51 + 9 = 666.

It is not a de Polignac number, because 98940459519 - 2⁴ = 98940459503 is a prime.

It is a super-4 number, since 4×98940459519⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98940459509) 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 71 ways as a sum of consecutive naturals, for example, 18262099 + ... + 18267515.

It is an arithmetic number, because the mean of its divisors is an integer number (2244661146).

Almost surely, 2^98940459519 is an apocalyptic number.

98940459519 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

98940459519 is a deficient number, since it is larger than the sum of its proper divisors (62675142993).

98940459519 is a wasteful number, since it uses less digits than its factorization.

98940459519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605 (or 5543 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 63.

The spelling of 98940459519 in words is "ninety-eight billion, nine hundred forty million, four hundred fifty-nine thousand, five hundred nineteen".