19429093 has 4 divisors (see below), whose sum is σ = 19531008. Its totient is φ = 19327180.

The previous prime is 19429087. The next prime is 19429099. The reversal of 19429093 is 39092491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (19429087) and next prime (19429099).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19429093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19429099) 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 3 ways as a sum of consecutive naturals, for example, 50671 + ... + 51052.

It is an arithmetic number, because the mean of its divisors is an integer number (4882752).

Almost surely, 2^19429093 is an apocalyptic number.

It is an amenable number.

19429093 is a deficient number, since it is larger than the sum of its proper divisors (101915).

19429093 is a wasteful number, since it uses less digits than its factorization.

19429093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101914.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 19429093 is about 4407.8444845525. The cubic root of 19429093 is about 268.8339886764.

The spelling of 19429093 in words is "nineteen million, four hundred twenty-nine thousand, ninety-three".