19385102352 has 320 divisors, whose sum is σ = 63695923200. Its totient is φ = 4934615040.

The previous prime is 19385102339. The next prime is 19385102369. The reversal of 19385102352 is 25320158391.

It is a self number, because there is not a number n which added to its sum of digits gives 19385102352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49832974 + ... + 49833362.

It is an arithmetic number, because the mean of its divisors is an integer number (199049760).

Almost surely, 2^19385102352 is an apocalyptic number.

19385102352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19385102352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31847961600).

19385102352 is an abundant number, since it is smaller than the sum of its proper divisors (44310820848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19385102352 is a wasteful number, since it uses less digits than its factorization.

19385102352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 19385102352 in words is "nineteen billion, three hundred eighty-five million, one hundred two thousand, three hundred fifty-two".