10010001001009 has 2 divisors, whose sum is σ = 10010001001010. Its totient is φ = 10010001001008.

The previous prime is 10010001000973. The next prime is 10010001001037. The reversal of 10010001001009 is 90010010001001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5980607198784 + 4029393802225 = 2445528^2 + 2007335^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010001001009 - 2²³ = 10009992612401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10010001001009.

It is not a weakly prime, because it can be changed into another prime (10010001001079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000500504 + 5005000500505.

It is an arithmetic number, because the mean of its divisors is an integer number (5005000500505).

Almost surely, 2^{10010001001009} is an apocalyptic number.

It is an amenable number.

10010001001009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010001001009 is an equidigital number, since it uses as much as digits as its factorization.

10010001001009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 10010001001009 in words is "ten trillion, ten billion, one million, one thousand, nine".