19633855742104 has 128 divisors (see below), whose sum is σ = 40136762952000. Its totient is φ = 8967887437824.

The previous prime is 19633855742077. The next prime is 19633855742107. The reversal of 19633855742104 is 40124755833691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19633855742107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693541102 + ... + 693569410.

It is a 1-persistent number, because it is pandigital, but 2⋅19633855742104 = 39267711484208 is not.

Almost surely, 2^{19633855742104} is an apocalyptic number.

It is an amenable number.

19633855742104 is an abundant number, since it is smaller than the sum of its proper divisors (20502907209896).

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

19633855742104 is a wasteful number, since it uses less digits than its factorization.

19633855742104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29117 (or 29113 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 19633855742104 in words is "nineteen trillion, six hundred thirty-three billion, eight hundred fifty-five million, seven hundred forty-two thousand, one hundred four".