19394838131196 has 384 divisors, whose sum is σ = 52817615585280. Its totient is φ = 5485298227200.

The previous prime is 19394838131177. The next prime is 19394838131261. The reversal of 19394838131196 is 69113183849391.

It is a super-2 number, since 2×19394838131196² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2513257530 + ... + 2513265246.

It is an arithmetic number, because the mean of its divisors is an integer number (137545873920).

Almost surely, 2^{19394838131196} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19394838131196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26408807792640).

19394838131196 is an abundant number, since it is smaller than the sum of its proper divisors (33422777454084).

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

19394838131196 is a wasteful number, since it uses less digits than its factorization.

19394838131196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025 (or 8023 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 66.

The spelling of 19394838131196 in words is "nineteen trillion, three hundred ninety-four billion, eight hundred thirty-eight million, one hundred thirty-one thousand, one hundred ninety-six".