99498956859 has 12 divisors (see below), whose sum is σ = 144450264816. Its totient is φ = 65995922832.

The previous prime is 99498956813. The next prime is 99498956863. The reversal of 99498956859 is 95865989499.

It is a happy number.

99498956859 is a `hidden beast` number, since 9 + 9 + 49 + 8 + 9 + 568 + 5 + 9 = 666.

It is not a de Polignac number, because 99498956859 - 2³¹ = 97351473211 is a prime.

It is a super-3 number, since 3×99498956859³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (99498956659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28057719 + ... + 28061264.

It is an arithmetic number, because the mean of its divisors is an integer number (12037522068).

Almost surely, 2^99498956859 is an apocalyptic number.

99498956859 is a deficient number, since it is larger than the sum of its proper divisors (44951307957).

99498956859 is a wasteful number, since it uses less digits than its factorization.

99498956859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56119186 (or 56119183 counting only the distinct ones).

The product of its digits is 2267481600, while the sum is 81.

The spelling of 99498956859 in words is "ninety-nine billion, four hundred ninety-eight million, nine hundred fifty-six thousand, eight hundred fifty-nine".