1008888720013 has 2 divisors, whose sum is σ = 1008888720014. Its totient is φ = 1008888720012.

The previous prime is 1008888719977. The next prime is 1008888720067. The reversal of 1008888720013 is 3100278888001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 936410388489 + 72478331524 = 967683^2 + 269218^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008888720013 - 2¹⁷ = 1008888588941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1008888720613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504444360006 + 504444360007.

It is an arithmetic number, because the mean of its divisors is an integer number (504444360007).

Almost surely, 2^{1008888720013} is an apocalyptic number.

It is an amenable number.

1008888720013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008888720013 is an equidigital number, since it uses as much as digits as its factorization.

1008888720013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 46.

The spelling of 1008888720013 in words is "one trillion, eight billion, eight hundred eighty-eight million, seven hundred twenty thousand, thirteen".