9919010001 has 8 divisors (see below), whose sum is σ = 13242458880. Its totient is φ = 6604117232.

The previous prime is 9919009973. The next prime is 9919010011. The reversal of 9919010001 is 1000109199.

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

It is a cyclic number.

It is not a de Polignac number, because 9919010001 - 2¹⁰ = 9919008977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9919010011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136321 + ... + 2140958.

It is an arithmetic number, because the mean of its divisors is an integer number (1655307360).

Almost surely, 2^9919010001 is an apocalyptic number.

It is an amenable number.

9919010001 is a deficient number, since it is larger than the sum of its proper divisors (3323448879).

9919010001 is a wasteful number, since it uses less digits than its factorization.

9919010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278055.

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 9919010001 is about 99594.2267453290. The cubic root of 9919010001 is about 2148.6026616010.

The spelling of 9919010001 in words is "nine billion, nine hundred nineteen million, ten thousand, one".