19384427330 has 32 divisors (see below), whose sum is σ = 35192349936. Its totient is φ = 7687240704.

The previous prime is 19384427303. The next prime is 19384427353. The reversal of 19384427330 is 3372448391.

It can be written as a sum of positive squares in 8 ways, for example, as 15974684881 + 3409742449 = 126391^2 + 58393^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703982 + ... + 730998.

Almost surely, 2^19384427330 is an apocalyptic number.

19384427330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19384427330 is a deficient number, since it is larger than the sum of its proper divisors (15807922606).

19384427330 is a wasteful number, since it uses less digits than its factorization.

19384427330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27638.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 19384427330 in words is "nineteen billion, three hundred eighty-four million, four hundred twenty-seven thousand, three hundred thirty".