171482803238239 has 2 divisors, whose sum is σ = 171482803238240. Its totient is φ = 171482803238238.

The previous prime is 171482803238213. The next prime is 171482803238309. The reversal of 171482803238239 is 932832308284171.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171482803238239 - 2¹⁹ = 171482802713951 is a prime.

It is a super-2 number, since 2×171482803238239² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171482803238039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85741401619119 + 85741401619120.

It is an arithmetic number, because the mean of its divisors is an integer number (85741401619120).

Almost surely, 2^{171482803238239} is an apocalyptic number.

171482803238239 is a deficient number, since it is larger than the sum of its proper divisors (1).

171482803238239 is an equidigital number, since it uses as much as digits as its factorization.

171482803238239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 171482803238239 in words is "one hundred seventy-one trillion, four hundred eighty-two billion, eight hundred three million, two hundred thirty-eight thousand, two hundred thirty-nine".