19247930530 has 16 divisors (see below), whose sum is σ = 34825792824. Its totient is φ = 7659279360.

The previous prime is 19247930497. The next prime is 19247930551. The reversal of 19247930530 is 3503974291.

It can be written as a sum of positive squares in 4 ways, for example, as 13698127521 + 5549803009 = 117039^2 + 74497^2 .

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, 4984581 + ... + 4988440.

Almost surely, 2^19247930530 is an apocalyptic number.

19247930530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19247930530 is a deficient number, since it is larger than the sum of its proper divisors (15577862294).

19247930530 is a wasteful number, since it uses less digits than its factorization.

19247930530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973221.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 19247930530 in words is "nineteen billion, two hundred forty-seven million, nine hundred thirty thousand, five hundred thirty".