1009091909983 has 4 divisors (see below), whose sum is σ = 1010582445240. Its totient is φ = 1007601374728.

The previous prime is 1009091909981. The next prime is 1009091909989. The reversal of 1009091909983 is 3899091909001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1009091909983 - 2¹ = 1009091909981 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 (1009091909981) 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, 745266613 + ... + 745267966.

It is an arithmetic number, because the mean of its divisors is an integer number (252645611310).

Almost surely, 2^{1009091909983} is an apocalyptic number.

1009091909983 is a deficient number, since it is larger than the sum of its proper divisors (1490535257).

1009091909983 is an equidigital number, since it uses as much as digits as its factorization.

1009091909983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490535256.

The product of its (nonzero) digits is 1417176, while the sum is 58.

The spelling of 1009091909983 in words is "one trillion, nine billion, ninety-one million, nine hundred nine thousand, nine hundred eighty-three".