19489414059072 has 280 divisors, whose sum is σ = 61403851995200. Its totient is φ = 6094795705344.

The previous prime is 19489414058993. The next prime is 19489414059079. The reversal of 19489414059072 is 27095041498491.

19489414059072 is a `hidden beast` number, since 1 + 9 + 489 + 4 + 140 + 5 + 9 + 0 + 7 + 2 = 666.

It is a super-2 number, since 2×19489414059072² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19489414059079) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9184554 + ... + 11105622.

Almost surely, 2^{19489414059072} is an apocalyptic number.

19489414059072 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 19489414059072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30701925997600).

19489414059072 is an abundant number, since it is smaller than the sum of its proper divisors (41914437936128).

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

19489414059072 is a wasteful number, since it uses less digits than its factorization.

19489414059072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921215 (or 1921196 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 19489414059072 in words is "nineteen trillion, four hundred eighty-nine billion, four hundred fourteen million, fifty-nine thousand, seventy-two".