424238693 has 2 divisors, whose sum is σ = 424238694. Its totient is φ = 424238692.

The previous prime is 424238687. The next prime is 424238701. The reversal of 424238693 is 396832424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389746564 + 34492129 = 19742^2 + 5873^2 .

It is a cyclic number.

It is not a de Polignac number, because 424238693 - 2⁴ = 424238677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 424238693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424238663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212119346 + 212119347.

It is an arithmetic number, because the mean of its divisors is an integer number (212119347).

Almost surely, 2^424238693 is an apocalyptic number.

It is an amenable number.

424238693 is a deficient number, since it is larger than the sum of its proper divisors (1).

424238693 is an equidigital number, since it uses as much as digits as its factorization.

424238693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 424238693 is about 20597.0554448931. The cubic root of 424238693 is about 751.3980991020.

The spelling of 424238693 in words is "four hundred twenty-four million, two hundred thirty-eight thousand, six hundred ninety-three".