434193493 has 2 divisors, whose sum is σ = 434193494. Its totient is φ = 434193492.

The previous prime is 434193467. The next prime is 434193499. The reversal of 434193493 is 394391434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338486404 + 95707089 = 18398^2 + 9783^2 .

It is a cyclic number.

It is not a de Polignac number, because 434193493 - 2⁹ = 434192981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434193499) 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 as a sum of consecutive naturals, namely, 217096746 + 217096747.

It is an arithmetic number, because the mean of its divisors is an integer number (217096747).

Almost surely, 2^434193493 is an apocalyptic number.

It is an amenable number.

434193493 is a deficient number, since it is larger than the sum of its proper divisors (1).

434193493 is an equidigital number, since it uses as much as digits as its factorization.

434193493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 434193493 is about 20837.3101191109. The cubic root of 434193493 is about 757.2299279394.

The spelling of 434193493 in words is "four hundred thirty-four million, one hundred ninety-three thousand, four hundred ninety-three".