171031896463 has 2 divisors, whose sum is σ = 171031896464. Its totient is φ = 171031896462.

The previous prime is 171031896457. The next prime is 171031896517. The reversal of 171031896463 is 364698130171.

It is a weak prime.

It is an emirp because it is prime and its reverse (364698130171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171031896463 - 2¹⁷ = 171031765391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171031896163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85515948231 + 85515948232.

It is an arithmetic number, because the mean of its divisors is an integer number (85515948232).

Almost surely, 2^171031896463 is an apocalyptic number.

171031896463 is a deficient number, since it is larger than the sum of its proper divisors (1).

171031896463 is an equidigital number, since it uses as much as digits as its factorization.

171031896463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 171031896463 in words is "one hundred seventy-one billion, thirty-one million, eight hundred ninety-six thousand, four hundred sixty-three".