424338493 has 2 divisors, whose sum is σ = 424338494. Its totient is φ = 424338492.

The previous prime is 424338463. The next prime is 424338503. The reversal of 424338493 is 394833424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233539524 + 190798969 = 15282^2 + 13813^2 .

It is a cyclic number.

It is not a de Polignac number, because 424338493 - 2⁵ = 424338461 is a prime.

It is a super-2 number, since 2×424338493² = 360126313283022098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424338463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212169246 + 212169247.

It is an arithmetic number, because the mean of its divisors is an integer number (212169247).

Almost surely, 2^424338493 is an apocalyptic number.

It is an amenable number.

424338493 is a deficient number, since it is larger than the sum of its proper divisors (1).

424338493 is an equidigital number, since it uses as much as digits as its factorization.

424338493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 424338493 is about 20599.4779788227. The cubic root of 424338493 is about 751.4570153458.

The spelling of 424338493 in words is "four hundred twenty-four million, three hundred thirty-eight thousand, four hundred ninety-three".