424737749 has 2 divisors, whose sum is σ = 424737750. Its totient is φ = 424737748.

The previous prime is 424737743. The next prime is 424737751. The reversal of 424737749 is 947737424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377058724 + 47679025 = 19418^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 424737749 - 2⁸ = 424737493 is a prime.

Together with 424737751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424737743) 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, 212368874 + 212368875.

It is an arithmetic number, because the mean of its divisors is an integer number (212368875).

Almost surely, 2^424737749 is an apocalyptic number.

It is an amenable number.

424737749 is a deficient number, since it is larger than the sum of its proper divisors (1).

424737749 is an equidigital number, since it uses as much as digits as its factorization.

424737749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 47.

The square root of 424737749 is about 20609.1666255577. The cubic root of 424737749 is about 751.6926210236.

The spelling of 424737749 in words is "four hundred twenty-four million, seven hundred thirty-seven thousand, seven hundred forty-nine".