10205030342917 has 2 divisors, whose sum is σ = 10205030342918. Its totient is φ = 10205030342916.

The previous prime is 10205030342873. The next prime is 10205030342951. The reversal of 10205030342917 is 71924303050201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9719435995201 + 485594347716 = 3117601^2 + 696846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10205030342917 is a prime.

It is a super-2 number, since 2×10205030342917² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10205030342987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102515171458 + 5102515171459.

It is an arithmetic number, because the mean of its divisors is an integer number (5102515171459).

Almost surely, 2^{10205030342917} is an apocalyptic number.

It is an amenable number.

10205030342917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205030342917 is an equidigital number, since it uses as much as digits as its factorization.

10205030342917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 10205030342917 in words is "ten trillion, two hundred five billion, thirty million, three hundred forty-two thousand, nine hundred seventeen".