10000999990 has 8 divisors (see below), whose sum is σ = 18001800000. Its totient is φ = 4000399992.

The previous prime is 10000999979. The next prime is 10000999991. The reversal of 10000999990 is 9999900001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10000999990.

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 3 ways as a sum of consecutive naturals, for example, 500049990 + ... + 500050009.

It is an arithmetic number, because the mean of its divisors is an integer number (2250225000).

Almost surely, 2^10000999990 is an apocalyptic number.

10000999990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10000999990 is a deficient number, since it is larger than the sum of its proper divisors (8000800010).

10000999990 is a wasteful number, since it uses less digits than its factorization.

10000999990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000100006.

The product of its (nonzero) digits is 59049, while the sum is 46.

The spelling of 10000999990 in words is "ten billion, nine hundred ninety-nine thousand, nine hundred ninety".