171883340634373 has 2 divisors, whose sum is σ = 171883340634374. Its totient is φ = 171883340634372.

The previous prime is 171883340634329. The next prime is 171883340634461. The reversal of 171883340634373 is 373436043388171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169390042790049 + 2493297844324 = 13014993^2 + 1579018^2 .

It is a cyclic number.

It is not a de Polignac number, because 171883340634373 - 2⁹ = 171883340633861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171883340634073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85941670317186 + 85941670317187.

It is an arithmetic number, because the mean of its divisors is an integer number (85941670317187).

Almost surely, 2^{171883340634373} is an apocalyptic number.

It is an amenable number.

171883340634373 is a deficient number, since it is larger than the sum of its proper divisors (1).

171883340634373 is an equidigital number, since it uses as much as digits as its factorization.

171883340634373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 61.

The spelling of 171883340634373 in words is "one hundred seventy-one trillion, eight hundred eighty-three billion, three hundred forty million, six hundred thirty-four thousand, three hundred seventy-three".