173680001342443 has 2 divisors, whose sum is σ = 173680001342444. Its totient is φ = 173680001342442.

The previous prime is 173680001342381. The next prime is 173680001342447. The reversal of 173680001342443 is 344243100086371.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (344243100086371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173680001342443 is a prime.

It is a super-2 number, since 2×173680001342443² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 173680001342393 and 173680001342402.

It is not a weakly prime, because it can be changed into another prime (173680001342447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86840000671221 + 86840000671222.

It is an arithmetic number, because the mean of its divisors is an integer number (86840000671222).

Almost surely, 2^{173680001342443} is an apocalyptic number.

173680001342443 is a deficient number, since it is larger than the sum of its proper divisors (1).

173680001342443 is an equidigital number, since it uses as much as digits as its factorization.

173680001342443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 173680001342443 in words is "one hundred seventy-three trillion, six hundred eighty billion, one million, three hundred forty-two thousand, four hundred forty-three".