1009999683263 has 4 divisors (see below), whose sum is σ = 1010010041448. Its totient is φ = 1009989325080.

The previous prime is 1009999683247. The next prime is 1009999683271. The reversal of 1009999683263 is 3623869999001.

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 1009999683263 - 2⁴ = 1009999683247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1009999683263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009992683263) 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 3 ways as a sum of consecutive naturals, for example, 5031428 + ... + 5228313.

It is an arithmetic number, because the mean of its divisors is an integer number (252502510362).

Almost surely, 2^{1009999683263} is an apocalyptic number.

1009999683263 is a deficient number, since it is larger than the sum of its proper divisors (10358185).

1009999683263 is an equidigital number, since it uses as much as digits as its factorization.

1009999683263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358184.

The product of its (nonzero) digits is 34012224, while the sum is 65.

The spelling of 1009999683263 in words is "one trillion, nine billion, nine hundred ninety-nine million, six hundred eighty-three thousand, two hundred sixty-three".