19350957194 has 16 divisors (see below), whose sum is σ = 30046246920. Its totient is φ = 9335961600.

The previous prime is 19350957187. The next prime is 19350957221. The reversal of 19350957194 is 49175905391.

It can be written as a sum of positive squares in 4 ways, for example, as 19206356569 + 144600625 = 138587^2 + 12025^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11339 + ... + 197054.

Almost surely, 2^19350957194 is an apocalyptic number.

19350957194 is a deficient number, since it is larger than the sum of its proper divisors (10695289726).

19350957194 is a wasteful number, since it uses less digits than its factorization.

19350957194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210025.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The spelling of 19350957194 in words is "nineteen billion, three hundred fifty million, nine hundred fifty-seven thousand, one hundred ninety-four".