434440549 has 2 divisors, whose sum is σ = 434440550. Its totient is φ = 434440548.

The previous prime is 434440519. The next prime is 434440579. The reversal of 434440549 is 945044434.

It is a balanced prime because it is at equal distance from previous prime (434440519) and next prime (434440579).

It can be written as a sum of positive squares in only one way, i.e., 289238049 + 145202500 = 17007^2 + 12050^2 .

It is a cyclic number.

It is not a de Polignac number, because 434440549 - 2⁹ = 434440037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434440519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217220274 + 217220275.

It is an arithmetic number, because the mean of its divisors is an integer number (217220275).

Almost surely, 2^434440549 is an apocalyptic number.

It is an amenable number.

434440549 is a deficient number, since it is larger than the sum of its proper divisors (1).

434440549 is an equidigital number, since it uses as much as digits as its factorization.

434440549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 434440549 is about 20843.2374884517. The cubic root of 434440549 is about 757.3735219275.

The spelling of 434440549 in words is "four hundred thirty-four million, four hundred forty thousand, five hundred forty-nine".