424450669 has 2 divisors, whose sum is σ = 424450670. Its totient is φ = 424450668.

The previous prime is 424450651. The next prime is 424450727. The reversal of 424450669 is 966054424.

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., 415629769 + 8820900 = 20387^2 + 2970^2 .

It is a cyclic number.

It is not a de Polignac number, because 424450669 - 2²³ = 416062061 is a prime.

It is a super-2 number, since 2×424450669² = 360316740829095122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424450619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212225334 + 212225335.

It is an arithmetic number, because the mean of its divisors is an integer number (212225335).

Almost surely, 2^424450669 is an apocalyptic number.

It is an amenable number.

424450669 is a deficient number, since it is larger than the sum of its proper divisors (1).

424450669 is an equidigital number, since it uses as much as digits as its factorization.

424450669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 424450669 is about 20602.2005863451. The cubic root of 424450669 is about 751.5232266501.

The spelling of 424450669 in words is "four hundred twenty-four million, four hundred fifty thousand, six hundred sixty-nine".