19129712274108 has 48 divisors (see below), whose sum is σ = 50531315456160. Its totient is φ = 6256258100352.

The previous prime is 19129712274083. The next prime is 19129712274139. The reversal of 19129712274108 is 80147221792191.

It is a happy number.

19129712274108 is a `hidden beast` number, since 1 + 9 + 12 + 97 + 122 + 7 + 410 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671003385 + ... + 1671014832.

It is an arithmetic number, because the mean of its divisors is an integer number (1052735738670).

Almost surely, 2^{19129712274108} is an apocalyptic number.

19129712274108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19129712274108 is an abundant number, since it is smaller than the sum of its proper divisors (31401603182052).

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

19129712274108 is a wasteful number, since it uses less digits than its factorization.

19129712274108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342018283 (or 3342018275 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The spelling of 19129712274108 in words is "nineteen trillion, one hundred twenty-nine billion, seven hundred twelve million, two hundred seventy-four thousand, one hundred eight".