424518769 has 2 divisors, whose sum is σ = 424518770. Its totient is φ = 424518768.

The previous prime is 424518763. The next prime is 424518779. The reversal of 424518769 is 967815424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418816225 + 5702544 = 20465^2 + 2388^2 .

It is a cyclic number.

It is not a de Polignac number, because 424518769 - 2⁹ = 424518257 is a prime.

It is a super-2 number, since 2×424518769² = 360432370466550722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424518763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212259384 + 212259385.

It is an arithmetic number, because the mean of its divisors is an integer number (212259385).

Almost surely, 2^424518769 is an apocalyptic number.

It is an amenable number.

424518769 is a deficient number, since it is larger than the sum of its proper divisors (1).

424518769 is an equidigital number, since it uses as much as digits as its factorization.

424518769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 424518769 is about 20603.8532561266. The cubic root of 424518769 is about 751.5634166326.

The spelling of 424518769 in words is "four hundred twenty-four million, five hundred eighteen thousand, seven hundred sixty-nine".