1009999683247 has 2 divisors, whose sum is σ = 1009999683248. Its totient is φ = 1009999683246.

The previous prime is 1009999683239. The next prime is 1009999683271. The reversal of 1009999683247 is 7423869999001.

It is a weak prime.

It is an emirp because it is prime and its reverse (7423869999001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009999683247 - 2³ = 1009999683239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009999683947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504999841623 + 504999841624.

It is an arithmetic number, because the mean of its divisors is an integer number (504999841624).

Almost surely, 2^{1009999683247} is an apocalyptic number.

1009999683247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009999683247 is an equidigital number, since it uses as much as digits as its factorization.

1009999683247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 1009999683247 in words is "one trillion, nine billion, nine hundred ninety-nine million, six hundred eighty-three thousand, two hundred forty-seven".