9009910001 has 4 divisors (see below), whose sum is σ = 9162620400. Its totient is φ = 8857199604.

The previous prime is 9009909983. The next prime is 9009910073. The reversal of 9009910001 is 1000199009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000199009 = 29 ⋅34489621.

It is a cyclic number.

It is not a de Polignac number, because 9009910001 - 2¹⁴ = 9009893617 is a prime.

It is a super-2 number, since 2×9009910001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9009910081) 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, 76355111 + ... + 76355228.

It is an arithmetic number, because the mean of its divisors is an integer number (2290655100).

Almost surely, 2^9009910001 is an apocalyptic number.

It is an amenable number.

9009910001 is a deficient number, since it is larger than the sum of its proper divisors (152710399).

9009910001 is a wasteful number, since it uses less digits than its factorization.

9009910001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152710398.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 9009910001 is about 94920.5457264127. The cubic root of 9009910001 is about 2080.8470108824.

The spelling of 9009910001 in words is "nine billion, nine million, nine hundred ten thousand, one".