173628881843 has 2 divisors, whose sum is σ = 173628881844. Its totient is φ = 173628881842.

The previous prime is 173628881729. The next prime is 173628881849. The reversal of 173628881843 is 348188826371.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173628881843 is a prime.

It is a super-2 number, since 2×173628881843² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (173628881849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86814440921 + 86814440922.

It is an arithmetic number, because the mean of its divisors is an integer number (86814440922).

Almost surely, 2^173628881843 is an apocalyptic number.

173628881843 is a deficient number, since it is larger than the sum of its proper divisors (1).

173628881843 is an equidigital number, since it uses as much as digits as its factorization.

173628881843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 59.

The spelling of 173628881843 in words is "one hundred seventy-three billion, six hundred twenty-eight million, eight hundred eighty-one thousand, eight hundred forty-three".