193928454825 has 96 divisors (see below), whose sum is σ = 368905555200. Its totient is φ = 88056806400.

The previous prime is 193928454821. The next prime is 193928454857. The reversal of 193928454825 is 528454829391.

It is not a de Polignac number, because 193928454825 - 2² = 193928454821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (193928454821) 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 95 ways as a sum of consecutive naturals, for example, 50751415 + ... + 50755235.

It is an arithmetic number, because the mean of its divisors is an integer number (3842766200).

Almost surely, 2^193928454825 is an apocalyptic number.

193928454825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

193928454825 is a deficient number, since it is larger than the sum of its proper divisors (174977100375).

193928454825 is a wasteful number, since it uses less digits than its factorization.

193928454825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467 (or 4462 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 60.

The spelling of 193928454825 in words is "one hundred ninety-three billion, nine hundred twenty-eight million, four hundred fifty-four thousand, eight hundred twenty-five".