19130693 has 2 divisors, whose sum is σ = 19130694. Its totient is φ = 19130692.

The previous prime is 19130677. The next prime is 19130707. The reversal of 19130693 is 39603191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18852964 + 277729 = 4342^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 19130693 - 2⁴ = 19130677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19130603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9565346 + 9565347.

It is an arithmetic number, because the mean of its divisors is an integer number (9565347).

Almost surely, 2^19130693 is an apocalyptic number.

It is an amenable number.

19130693 is a deficient number, since it is larger than the sum of its proper divisors (1).

19130693 is an equidigital number, since it uses as much as digits as its factorization.

19130693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 19130693 is about 4373.8647669995. The cubic root of 19130693 is about 267.4505944218.

The spelling of 19130693 in words is "nineteen million, one hundred thirty thousand, six hundred ninety-three".