19130493 has 8 divisors (see below), whose sum is σ = 25544800. Its totient is φ = 12734928.

The previous prime is 19130483. The next prime is 19130497. The reversal of 19130493 is 39403191.

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

It is not a de Polignac number, because 19130493 - 2¹² = 19126397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19130493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19130497) 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, 2098 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (3193100).

Almost surely, 2^19130493 is an apocalyptic number.

It is an amenable number.

19130493 is a deficient number, since it is larger than the sum of its proper divisors (6414307).

19130493 is an equidigital number, since it uses as much as digits as its factorization.

19130493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9371.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 19130493 is about 4373.8419038644. The cubic root of 19130493 is about 267.4496624064.

The spelling of 19130493 in words is "nineteen million, one hundred thirty thousand, four hundred ninety-three".