424352749 has 2 divisors, whose sum is σ = 424352750. Its totient is φ = 424352748.

The previous prime is 424352743. The next prime is 424352771. The reversal of 424352749 is 947253424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282576100 + 141776649 = 16810^2 + 11907^2 .

It is a cyclic number.

It is not a de Polignac number, because 424352749 - 2⁵ = 424352717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424352743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212176374 + 212176375.

It is an arithmetic number, because the mean of its divisors is an integer number (212176375).

Almost surely, 2^424352749 is an apocalyptic number.

It is an amenable number.

424352749 is a deficient number, since it is larger than the sum of its proper divisors (1).

424352749 is an equidigital number, since it uses as much as digits as its factorization.

424352749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 424352749 is about 20599.8240041026. The cubic root of 424352749 is about 751.4654305233.

The spelling of 424352749 in words is "four hundred twenty-four million, three hundred fifty-two thousand, seven hundred forty-nine".