19130566945 has 8 divisors (see below), whose sum is σ = 26236206144. Its totient is φ = 13118103024.

The previous prime is 19130566943. The next prime is 19130566979. The reversal of 19130566945 is 54966503191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19130566945 - 2¹ = 19130566943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19130566943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273293779 + ... + 273293848.

It is an arithmetic number, because the mean of its divisors is an integer number (3279525768).

Almost surely, 2^19130566945 is an apocalyptic number.

It is an amenable number.

19130566945 is a deficient number, since it is larger than the sum of its proper divisors (7105639199).

19130566945 is an equidigital number, since it uses as much as digits as its factorization.

19130566945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546587639.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 19130566945 in words is "nineteen billion, one hundred thirty million, five hundred sixty-six thousand, nine hundred forty-five".