19441750129068 has 12 divisors (see below), whose sum is σ = 45364083634520. Its totient is φ = 6480583376352.

The previous prime is 19441750129057. The next prime is 19441750129069. The reversal of 19441750129068 is 86092105714491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×19441750129068² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19441750128999 and 19441750129017.

It is not an unprimeable number, because it can be changed into a prime (19441750129069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810072922033 + ... + 810072922056.

Almost surely, 2^{19441750129068} is an apocalyptic number.

It is an amenable number.

19441750129068 is an abundant number, since it is smaller than the sum of its proper divisors (25922333505452).

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

19441750129068 is a wasteful number, since it uses less digits than its factorization.

19441750129068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620145844096 (or 1620145844094 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 19441750129068 in words is "nineteen trillion, four hundred forty-one billion, seven hundred fifty million, one hundred twenty-nine thousand, sixty-eight".