19194113242 has 8 divisors (see below), whose sum is σ = 29070696096. Its totient is φ = 9503881212.

The previous prime is 19194113231. The next prime is 19194113243. The reversal of 19194113242 is 24231149191.

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

It is not an unprimeable number, because it can be changed into a prime (19194113243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46587448 + ... + 46587859.

It is an arithmetic number, because the mean of its divisors is an integer number (3633837012).

Almost surely, 2^19194113242 is an apocalyptic number.

19194113242 is a deficient number, since it is larger than the sum of its proper divisors (9876582854).

19194113242 is a wasteful number, since it uses less digits than its factorization.

19194113242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93175412.

The product of its digits is 15552, while the sum is 37.

The spelling of 19194113242 in words is "nineteen billion, one hundred ninety-four million, one hundred thirteen thousand, two hundred forty-two".