10001609990 has 16 divisors (see below), whose sum is σ = 18005485680. Its totient is φ = 4000068960.

The previous prime is 10001609963. The next prime is 10001609993. The reversal of 10001609990 is 9990610001.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10001609990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001609993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5096 + ... + 141524.

It is an arithmetic number, because the mean of its divisors is an integer number (1125342855).

Almost surely, 2^10001609990 is an apocalyptic number.

10001609990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001609990 is a deficient number, since it is larger than the sum of its proper divisors (8003875690).

10001609990 is a wasteful number, since it uses less digits than its factorization.

10001609990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143767.

The product of its (nonzero) digits is 4374, while the sum is 35.

The spelling of 10001609990 in words is "ten billion, one million, six hundred nine thousand, nine hundred ninety".