19081409081244 has 24 divisors (see below), whose sum is σ = 44612512896000. Its totient is φ = 6347723259504.

The previous prime is 19081409081201. The next prime is 19081409081303. The reversal of 19081409081244 is 44218090418091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593298044 + ... + 1593310019.

It is an arithmetic number, because the mean of its divisors is an integer number (1858854704000).

Almost surely, 2^{19081409081244} is an apocalyptic number.

It is an amenable number.

19081409081244 is an abundant number, since it is smaller than the sum of its proper divisors (25531103814756).

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

19081409081244 is a wasteful number, since it uses less digits than its factorization.

19081409081244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186608569 (or 3186608567 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 19081409081244 in words is "nineteen trillion, eighty-one billion, four hundred nine million, eighty-one thousand, two hundred forty-four".