173271021337 has 2 divisors, whose sum is σ = 173271021338. Its totient is φ = 173271021336.

The previous prime is 173271021317. The next prime is 173271021359. The reversal of 173271021337 is 733120172371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169039388736 + 4231632601 = 411144^2 + 65051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173271021337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173271021296 and 173271021305.

It is not a weakly prime, because it can be changed into another prime (173271021317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86635510668 + 86635510669.

It is an arithmetic number, because the mean of its divisors is an integer number (86635510669).

Almost surely, 2^173271021337 is an apocalyptic number.

It is an amenable number.

173271021337 is a deficient number, since it is larger than the sum of its proper divisors (1).

173271021337 is an equidigital number, since it uses as much as digits as its factorization.

173271021337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 37.

The spelling of 173271021337 in words is "one hundred seventy-three billion, two hundred seventy-one million, twenty-one thousand, three hundred thirty-seven".