19671348756042 has 112 divisors (see below), whose sum is σ = 45778867136640. Its totient is φ = 6329204523936.

The previous prime is 19671348755999. The next prime is 19671348756043. The reversal of 19671348756042 is 24065784317691.

19671348756042 is a `hidden beast` number, since 1 + 9 + 6 + 7 + 13 + 4 + 8 + 7 + 5 + 604 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19671348756043) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 152446683 + ... + 152575665.

It is a 2-persistent number, because it is pandigital, and so is 2⋅19671348756042 = 39342697512084, but 3⋅19671348756042 = 59014046268126 is not.

Almost surely, 2^{19671348756042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19671348756042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22889433568320).

19671348756042 is an abundant number, since it is smaller than the sum of its proper divisors (26107518380598).

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

19671348756042 is a wasteful number, since it uses less digits than its factorization.

19671348756042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132639 (or 132624 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 19671348756042 in words is "nineteen trillion, six hundred seventy-one billion, three hundred forty-eight million, seven hundred fifty-six thousand, forty-two".