19496988898912 has 72 divisors (see below), whose sum is σ = 46600502168304. Its totient is φ = 7864331630592.

The previous prime is 19496988898909. The next prime is 19496988898913. The reversal of 19496988898912 is 21989888969491.

It is a super-2 number, since 2×19496988898912² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19496988898913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150523723 + ... + 150653194.

It is an arithmetic number, because the mean of its divisors is an integer number (647229196782).

Almost surely, 2^{19496988898912} is an apocalyptic number.

It is an amenable number.

19496988898912 is an abundant number, since it is smaller than the sum of its proper divisors (27103513269392).

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

19496988898912 is a wasteful number, since it uses less digits than its factorization.

19496988898912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301176968 (or 301176943 counting only the distinct ones).

The product of its digits is 11609505792, while the sum is 91.

The spelling of 19496988898912 in words is "nineteen trillion, four hundred ninety-six billion, nine hundred eighty-eight million, eight hundred ninety-eight thousand, nine hundred twelve".