171410640893 has 2 divisors, whose sum is σ = 171410640894. Its totient is φ = 171410640892.

The previous prime is 171410640871. The next prime is 171410640931. The reversal of 171410640893 is 398046014171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120105219844 + 51305421049 = 346562^2 + 226507^2 .

It is a cyclic number.

It is not a de Polignac number, because 171410640893 - 2⁶ = 171410640829 is a prime.

It is a super-2 number, since 2×171410640893² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171410640803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85705320446 + 85705320447.

It is an arithmetic number, because the mean of its divisors is an integer number (85705320447).

Almost surely, 2^171410640893 is an apocalyptic number.

It is an amenable number.

171410640893 is a deficient number, since it is larger than the sum of its proper divisors (1).

171410640893 is an equidigital number, since it uses as much as digits as its factorization.

171410640893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 171410640893 in words is "one hundred seventy-one billion, four hundred ten million, six hundred forty thousand, eight hundred ninety-three".