193424489 has 2 divisors, whose sum is σ = 193424490. Its totient is φ = 193424488.

The previous prime is 193424467. The next prime is 193424509. The reversal of 193424489 is 984424391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130142464 + 63282025 = 11408^2 + 7955^2 .

It is a cyclic number.

It is not a de Polignac number, because 193424489 - 2⁸ = 193424233 is a prime.

It is a super-2 number, since 2×193424489² = 74826065889822242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (193424459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96712244 + 96712245.

It is an arithmetic number, because the mean of its divisors is an integer number (96712245).

Almost surely, 2^193424489 is an apocalyptic number.

It is an amenable number.

193424489 is a deficient number, since it is larger than the sum of its proper divisors (1).

193424489 is an equidigital number, since it uses as much as digits as its factorization.

193424489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 193424489 is about 13907.7132915516. The cubic root of 193424489 is about 578.3230285675.

The spelling of 193424489 in words is "one hundred ninety-three million, four hundred twenty-four thousand, four hundred eighty-nine".