1013718279817 has 2 divisors, whose sum is σ = 1013718279818. Its totient is φ = 1013718279816.

The previous prime is 1013718279797. The next prime is 1013718279869. The reversal of 1013718279817 is 7189728173101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881615835136 + 132102444681 = 938944^2 + 363459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013718279817 - 2¹⁵ = 1013718247049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013718279517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506859139908 + 506859139909.

It is an arithmetic number, because the mean of its divisors is an integer number (506859139909).

Almost surely, 2^{1013718279817} is an apocalyptic number.

It is an amenable number.

1013718279817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013718279817 is an equidigital number, since it uses as much as digits as its factorization.

1013718279817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 55.

The spelling of 1013718279817 in words is "one trillion, thirteen billion, seven hundred eighteen million, two hundred seventy-nine thousand, eight hundred seventeen".