17883857402813 has 2 divisors, whose sum is σ = 17883857402814. Its totient is φ = 17883857402812.

The previous prime is 17883857402737. The next prime is 17883857402837. The reversal of 17883857402813 is 31820475838871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11552126940964 + 6331730461849 = 3398842^2 + 2516293^2 .

It is an emirp because it is prime and its reverse (31820475838871) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17883857402813 - 2¹⁰ = 17883857401789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17883857402813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17883857402863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8941928701406 + 8941928701407.

It is an arithmetic number, because the mean of its divisors is an integer number (8941928701407).

Almost surely, 2^{17883857402813} is an apocalyptic number.

It is an amenable number.

17883857402813 is a deficient number, since it is larger than the sum of its proper divisors (1).

17883857402813 is an equidigital number, since it uses as much as digits as its factorization.

17883857402813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72253440, while the sum is 65.

The spelling of 17883857402813 in words is "seventeen trillion, eight hundred eighty-three billion, eight hundred fifty-seven million, four hundred two thousand, eight hundred thirteen".