10500499998 has 48 divisors (see below), whose sum is σ = 23000670576. Its totient is φ = 3461875200.

The previous prime is 10500499993. The next prime is 10500500009. The reversal of 10500499998 is 89999400501.

10500499998 is a `hidden beast` number, since 1 + 0 + 500 + 49 + 9 + 9 + 98 = 666.

10500499998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10500499998² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500499993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1292148 + ... + 1300248.

It is an arithmetic number, because the mean of its divisors is an integer number (479180637).

Almost surely, 2^10500499998 is an apocalyptic number.

10500499998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10500499998 is an abundant number, since it is smaller than the sum of its proper divisors (12500170578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10500499998 is a wasteful number, since it uses less digits than its factorization.

10500499998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8889 (or 8886 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The spelling of 10500499998 in words is "ten billion, five hundred million, four hundred ninety-nine thousand, nine hundred ninety-eight".