19105275242 has 8 divisors (see below), whose sum is σ = 28659760416. Its totient is φ = 9552021772.

The previous prime is 19105275209. The next prime is 19105275271. The reversal of 19105275242 is 24257250191.

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

It is a junction number, because it is equal to n+sod(n) for n = 19105275196 and 19105275205.

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, 268118 + ... + 331809.

It is an arithmetic number, because the mean of its divisors is an integer number (3582470052).

Almost surely, 2^19105275242 is an apocalyptic number.

19105275242 is a deficient number, since it is larger than the sum of its proper divisors (9554485174).

19105275242 is a wasteful number, since it uses less digits than its factorization.

19105275242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615852.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 19105275242 in words is "nineteen billion, one hundred five million, two hundred seventy-five thousand, two hundred forty-two".