171547948063 has 2 divisors, whose sum is σ = 171547948064. Its totient is φ = 171547948062.

The previous prime is 171547948031. The next prime is 171547948111. The reversal of 171547948063 is 360849745171.

It is a weak prime.

It is an emirp because it is prime and its reverse (360849745171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171547948063 - 2⁵ = 171547948031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171547947995 and 171547948013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171547948963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85773974031 + 85773974032.

It is an arithmetic number, because the mean of its divisors is an integer number (85773974032).

Almost surely, 2^171547948063 is an apocalyptic number.

171547948063 is a deficient number, since it is larger than the sum of its proper divisors (1).

171547948063 is an equidigital number, since it uses as much as digits as its factorization.

171547948063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 171547948063 in words is "one hundred seventy-one billion, five hundred forty-seven million, nine hundred forty-eight thousand, sixty-three".