1009091010019 has 8 divisors (see below), whose sum is σ = 1068488681760. Its totient is φ = 949697713536.

The previous prime is 1009091010001. The next prime is 1009091010029. The reversal of 1009091010019 is 9100101909001.

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 1009091010019 - 2²⁹ = 1008554139107 is a prime.

It is a super-2 number, since 2×1009091010019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009091010029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612924 + ... + 1547209.

It is an arithmetic number, because the mean of its divisors is an integer number (133561085220).

Almost surely, 2^{1009091010019} is an apocalyptic number.

1009091010019 is a deficient number, since it is larger than the sum of its proper divisors (59397671741).

1009091010019 is a wasteful number, since it uses less digits than its factorization.

1009091010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187629.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 1009091010019 in words is "one trillion, nine billion, ninety-one million, ten thousand, nineteen".