2018295356669 has 2 divisors, whose sum is σ = 2018295356670. Its totient is φ = 2018295356668.

The previous prime is 2018295356663. The next prime is 2018295356783. The reversal of 2018295356669 is 9666535928102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1991852368900 + 26442987769 = 1411330^2 + 162613^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018295356669 - 2⁴ = 2018295356653 is a prime.

It is a super-2 number, since 2×2018295356669² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018295356663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009147678334 + 1009147678335.

It is an arithmetic number, because the mean of its divisors is an integer number (1009147678335).

Almost surely, 2^{2018295356669} is an apocalyptic number.

It is an amenable number.

2018295356669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018295356669 is an equidigital number, since it uses as much as digits as its factorization.

2018295356669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 2018295356669 in words is "two trillion, eighteen billion, two hundred ninety-five million, three hundred fifty-six thousand, six hundred sixty-nine".