1000909091001 has 8 divisors (see below), whose sum is σ = 1413048128544. Its totient is φ = 628021390400.

The previous prime is 1000909090997. The next prime is 1000909091051. The reversal of 1000909091001 is 1001909090001.

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 1000909091001 - 2² = 1000909090997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000909091001.

It is not an unprimeable number, because it can be changed into a prime (1000909091051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9812834175 + ... + 9812834276.

It is an arithmetic number, because the mean of its divisors is an integer number (176631016068).

Almost surely, 2^{1000909091001} is an apocalyptic number.

It is an amenable number.

1000909091001 is a deficient number, since it is larger than the sum of its proper divisors (412139037543).

1000909091001 is a wasteful number, since it uses less digits than its factorization.

1000909091001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19625668471.

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

The spelling of 1000909091001 in words is "one trillion, nine hundred nine million, ninety-one thousand, one".