19351422342 has 32 divisors (see below), whose sum is σ = 49146470400. Its totient is φ = 5528977704.

The previous prime is 19351422289. The next prime is 19351422373. The reversal of 19351422342 is 24322415391.

19351422342 is a `hidden beast` number, since 1 + 93 + 514 + 22 + 34 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 19351422297 and 19351422306.

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, 25596742 + ... + 25597497.

It is an arithmetic number, because the mean of its divisors is an integer number (1535827200).

Almost surely, 2^19351422342 is an apocalyptic number.

19351422342 is an abundant number, since it is smaller than the sum of its proper divisors (29795048058).

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

19351422342 is a wasteful number, since it uses less digits than its factorization.

19351422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51194257 (or 51194251 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 19351422342 in words is "nineteen billion, three hundred fifty-one million, four hundred twenty-two thousand, three hundred forty-two".