10000999998 has 48 divisors (see below), whose sum is σ = 24141701376. Its totient is φ = 2966122320.

The previous prime is 10000999997. The next prime is 10001000011. The reversal of 10000999998 is 89999900001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000999991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528036 + ... + 546647.

It is an arithmetic number, because the mean of its divisors is an integer number (502952112).

Almost surely, 2^10000999998 is an apocalyptic number.

10000999998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10000999998 is an abundant number, since it is smaller than the sum of its proper divisors (14140701378).

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

10000999998 is a wasteful number, since it uses less digits than its factorization.

10000999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074749 (or 1074746 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 54.

The spelling of 10000999998 in words is "ten billion, nine hundred ninety-nine thousand, nine hundred ninety-eight".