32173621403 has 16 divisors (see below), whose sum is σ = 40792446720. Its totient is φ = 24645429600.

The previous prime is 32173621391. The next prime is 32173621411. The reversal of 32173621403 is 30412637123.

It is not a de Polignac number, because 32173621403 - 2¹⁶ = 32173555867 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 32173621403.

It is not an unprimeable number, because it can be changed into a prime (32173621453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3536468 + ... + 3545553.

It is an arithmetic number, because the mean of its divisors is an integer number (2549527920).

Almost surely, 2^32173621403 is an apocalyptic number.

32173621403 is a deficient number, since it is larger than the sum of its proper divisors (8618825317).

32173621403 is a wasteful number, since it uses less digits than its factorization.

32173621403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082098.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 32173621403 in words is "thirty-two billion, one hundred seventy-three million, six hundred twenty-one thousand, four hundred three".