9009910901 has 16 divisors (see below), whose sum is σ = 9258117504. Its totient is φ = 8765915904.

The previous prime is 9009910859. The next prime is 9009910919. The reversal of 9009910901 is 1090199009.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9009910901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9009910991) 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 15 ways as a sum of consecutive naturals, for example, 1627400 + ... + 1632926.

It is an arithmetic number, because the mean of its divisors is an integer number (578632344).

Almost surely, 2^9009910901 is an apocalyptic number.

It is an amenable number.

9009910901 is a deficient number, since it is larger than the sum of its proper divisors (248206603).

9009910901 is a wasteful number, since it uses less digits than its factorization.

9009910901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900.

The product of its (nonzero) digits is 6561, while the sum is 38.

The square root of 9009910901 is about 94920.5504672197. The cubic root of 9009910901 is about 2080.8470801677.

The spelling of 9009910901 in words is "nine billion, nine million, nine hundred ten thousand, nine hundred one".