1009999848967 has 2 divisors, whose sum is σ = 1009999848968. Its totient is φ = 1009999848966.

The previous prime is 1009999848947. The next prime is 1009999848973. The reversal of 1009999848967 is 7698489999001.

It is a happy number.

1009999848967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009999848967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009999848947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504999924483 + 504999924484.

It is an arithmetic number, because the mean of its divisors is an integer number (504999924484).

Almost surely, 2^{1009999848967} is an apocalyptic number.

1009999848967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009999848967 is an equidigital number, since it uses as much as digits as its factorization.

1009999848967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 634894848, while the sum is 79.

The spelling of 1009999848967 in words is "one trillion, nine billion, nine hundred ninety-nine million, eight hundred forty-eight thousand, nine hundred sixty-seven".