19141956847992 has 128 divisors (see below), whose sum is σ = 52452871349760. Its totient is φ = 5773141624320.

The previous prime is 19141956847991. The next prime is 19141956848041. The reversal of 19141956847992 is 29974865914191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19141956847991) 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, 58392013 + ... + 58718915.

It is an arithmetic number, because the mean of its divisors is an integer number (409788057420).

Almost surely, 2^{19141956847992} is an apocalyptic number.

19141956847992 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 19141956847992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26226435674880).

19141956847992 is an abundant number, since it is smaller than the sum of its proper divisors (33310914501768).

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

19141956847992 is a wasteful number, since it uses less digits than its factorization.

19141956847992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327973 (or 327969 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 75.

The spelling of 19141956847992 in words is "nineteen trillion, one hundred forty-one billion, nine hundred fifty-six million, eight hundred forty-seven thousand, nine hundred ninety-two".