19050043930 has 16 divisors (see below), whose sum is σ = 34326691560. Its totient is φ = 7611881472.

The previous prime is 19050043927. The next prime is 19050043931. The reversal of 19050043930 is 3934005091.

It can be written as a sum of positive squares in 4 ways, for example, as 14569214209 + 4480829721 = 120703^2 + 66939^2 .

It is not an unprimeable number, because it can be changed into a prime (19050043931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007175 + ... + 1025914.

Almost surely, 2^19050043930 is an apocalyptic number.

19050043930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19050043930 is a deficient number, since it is larger than the sum of its proper divisors (15276647630).

19050043930 is a wasteful number, since it uses less digits than its factorization.

19050043930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034033.

The product of its (nonzero) digits is 14580, while the sum is 34.

The spelling of 19050043930 in words is "nineteen billion, fifty million, forty-three thousand, nine hundred thirty".