19931503216748 has 18 divisors (see below), whose sum is σ = 36812547841356. Its totient is φ = 9441238365144.

The previous prime is 19931503216741. The next prime is 19931503216783. The reversal of 19931503216748 is 84761230513991.

It is not an unprimeable number, because it can be changed into a prime (19931503216741) 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 5 ways as a sum of consecutive naturals, for example, 6901488590 + ... + 6901491477.

It is an arithmetic number, because the mean of its divisors is an integer number (2045141546742).

It is a 1-persistent number, because it is pandigital, but 2⋅19931503216748 = 39863006433496 is not.

Almost surely, 2^{19931503216748} is an apocalyptic number.

It is an amenable number.

19931503216748 is a deficient number, since it is larger than the sum of its proper divisors (16881044624608).

19931503216748 is a wasteful number, since it uses less digits than its factorization.

19931503216748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802980109 (or 13802980088 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 19931503216748 in words is "nineteen trillion, nine hundred thirty-one billion, five hundred three million, two hundred sixteen thousand, seven hundred forty-eight".