19727607342 has 8 divisors (see below), whose sum is σ = 39455214696. Its totient is φ = 6575869112.

The previous prime is 19727607281. The next prime is 19727607373. The reversal of 19727607342 is 24370672791.

It is a sphenic number, since it is the product of 3 distinct primes.

19727607342 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19727607291 and 19727607300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643967273 + ... + 1643967284.

It is an arithmetic number, because the mean of its divisors is an integer number (4931901837).

Almost surely, 2^19727607342 is an apocalyptic number.

19727607342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19727607342 is a wasteful number, since it uses less digits than its factorization.

19727607342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287934562.

The product of its (nonzero) digits is 889056, while the sum is 48.

The spelling of 19727607342 in words is "nineteen billion, seven hundred twenty-seven million, six hundred seven thousand, three hundred forty-two".