1950019194 has 16 divisors (see below), whose sum is σ = 3901661568. Its totient is φ = 649735872.

The previous prime is 1950019129. The next prime is 1950019213. The reversal of 1950019194 is 4919100591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51727 + ... + 81090.

It is an arithmetic number, because the mean of its divisors is an integer number (243853848).

Almost surely, 2^1950019194 is an apocalyptic number.

1950019194 is an abundant number, since it is smaller than the sum of its proper divisors (1951642374).

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

1950019194 is a wasteful number, since it uses less digits than its factorization.

1950019194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135269.

The product of its (nonzero) digits is 14580, while the sum is 39.

The square root of 1950019194 is about 44159.0216603584. The cubic root of 1950019194 is about 1249.3370765415.

The spelling of 1950019194 in words is "one billion, nine hundred fifty million, nineteen thousand, one hundred ninety-four".