173403718401 has 4 divisors (see below), whose sum is σ = 231204957872. Its totient is φ = 115602478932.

The previous prime is 173403718379. The next prime is 173403718429. The reversal of 173403718401 is 104817304371.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 173403718401 - 2¹⁵ = 173403685633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 173403718401.

It is not an unprimeable number, because it can be changed into a prime (173403711401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28900619731 + ... + 28900619736.

It is an arithmetic number, because the mean of its divisors is an integer number (57801239468).

Almost surely, 2^173403718401 is an apocalyptic number.

It is an amenable number.

173403718401 is a deficient number, since it is larger than the sum of its proper divisors (57801239471).

173403718401 is an equidigital number, since it uses as much as digits as its factorization.

173403718401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57801239470.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 173403718401 in words is "one hundred seventy-three billion, four hundred three million, seven hundred eighteen thousand, four hundred one".