19235450082721 has 8 divisors (see below), whose sum is σ = 19516463296704. Its totient is φ = 18954717185040.

The previous prime is 19235450082703. The next prime is 19235450082803. The reversal of 19235450082721 is 12728005453291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19235450082721 - 2⁷ = 19235450082593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19235450982721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69940831 + ... + 70215316.

It is an arithmetic number, because the mean of its divisors is an integer number (2439557912088).

Almost surely, 2^{19235450082721} is an apocalyptic number.

It is an amenable number.

19235450082721 is a deficient number, since it is larger than the sum of its proper divisors (281013213983).

19235450082721 is a wasteful number, since it uses less digits than its factorization.

19235450082721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140158151.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 19235450082721 in words is "nineteen trillion, two hundred thirty-five billion, four hundred fifty million, eighty-two thousand, seven hundred twenty-one".