434345641 has 2 divisors, whose sum is σ = 434345642. Its totient is φ = 434345640.

The previous prime is 434345629. The next prime is 434345663. The reversal of 434345641 is 146543434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392872041 + 41473600 = 19821^2 + 6440^2 .

It is a cyclic number.

It is not a de Polignac number, because 434345641 - 2⁵ = 434345609 is a prime.

It is a super-2 number, since 2×434345641² = 377312271711401762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434345597 and 434345606.

It is not a weakly prime, because it can be changed into another prime (434345621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217172820 + 217172821.

It is an arithmetic number, because the mean of its divisors is an integer number (217172821).

Almost surely, 2^434345641 is an apocalyptic number.

It is an amenable number.

434345641 is a deficient number, since it is larger than the sum of its proper divisors (1).

434345641 is an equidigital number, since it uses as much as digits as its factorization.

434345641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 434345641 is about 20840.9606544420. The cubic root of 434345641 is about 757.3183659026.

The spelling of 434345641 in words is "four hundred thirty-four million, three hundred forty-five thousand, six hundred forty-one".